1,901 Altitude Image: PICRYL - Public Domain Media Search Engine Public Domain Search}

Portable horizontal nocturnal sundial and altitude sundial

Public domain photo of a 3d object, France, free to use, no copyright restrictions image - Picryl description

Portable, horizontal, nocturnal sundial and altitude sundial

Public domain photograph of 3d object, free to use, no copyright restrictions image - Picryl description.

Navigational charts & designs: Astrolab [to take the altitude of the sunne]

Illus. in: Martin Cortés, Arte de Navigation, London, 1589, fol. 70. Reference copy may be in SSF - Navigation. This record contains unverified, old data from caption card. Caption card tracings: Moon; Sun; Ast More

Altitude comparada - Print, Library of Congress collection

This record contains unverified data from PGA shelflist card. Associated name on shelflist card: Mello.

View of the Summit, from Silver Mountain Pass; Altitude 9,000 feet, Alpine County

The Library holds only one photo from a pair published as a stereographic view. Gems of California scenery, no. 914. LOT subdivision subject: Alpine County. This record contains unverified old data from caption card.

[The summit of Castle Peak, 10,000 feet altitude. An extinct volcano near Donner Pass - Central Pacific Railroad]

Public domain photograph of rural landscape, California, no copyright restrictions image - Picryl description

Upper Cisco in Winter, altitude 5,911 feet, Central Pacific Railroad

The Library holds only one photo from a pair published as a stereographic view. Gems of California scenery, no. 1255. LOT subdivision subject: Donner Pass Route. This record contains unverified old data from ca More

Old Man Mountain, near Meadow Lake - Altitude 7,800 feet - Central Pacific Railroad

The Library holds only one photo from a pair published as a stereographic view. Gems of California scenery, no. 1276. LOT subdivision subject: Donner Pass Route. This record contains unverified old data from ca More

Winter View in Upper Cisco - Altitude 5911 feet - Central Pacific Railroad

The Library holds only one photo from a pair published as a stereographic view. Gems of California scenery, no. 1251. LOT subdivision subject: Donner Pass Route. This record contains unverified old data from ca More

Silver Mountain Peak; altitude 11,000 feet; Alpine County

The Library holds only one photo from a pair published as a stereographic view. Gems of California scenery, no. 916. LOT subdivision subject: Alpine County. This record contains unverified old data from caption card.

map from "La Cure d'altitude ... 29 planches hors texte et 110 figures dans le texte"

This image has been taken from scan 000455 from "La Cure d'altitude ... 29 planches hors texte et 110 figures dans le texte". The title and subject terms of this image have been generated from tags, created by More

Höjlabergets brant. Falköping, Sweden

Höjlabergets brant. Public domain photograph, Sweden, free to use, no copyright restrictions image - Picryl description

Gränssten för Grytens park vid (Höljaberget), Finnestorp.

Gränssten för Grytens park vid (Höljaberget), Finnestorp. Public domain photograph of a graveyard monument, free to use, no copyright restrictions image - Picryl description

Panoramic view of Butte, Montana, 1904 : population 60,000, altitude near gov. bldg. 6,000 feet, values taken out of Butte mines over 600 million dollars, the largest mining camp on earth, a model city with all modern institutions and conveniences /

Relief shown pictorially. Panoramic view of city of Butte, Montana and suburbs showing foliage, architecture, mining operations within residential areas, and the Rocky Mountains overlooking the town. "Copyright More

[Rear view of flight 46, Orville shown flying at a high altitude over Huffman Prairie, Dayton, Ohio.]

Title based on: Wilbur & Orville Wright, pictorial materials: a documentary guide / Arthur G. Renstrom. Washington: Library of Congress, 1982, p. 60. Attributed to Wilbur and/or Orville Wright. Reference copy i More

[Rear view of flight 46, Orville flying at a high altitude over Huffman Prairie, Dayton, Ohio]

Title based on: Wilbur & Orville Wright, pictorial materials: a documentary guide / Arthur G. Renstrom. Washington: Library of Congress, 1982, p. 60. Attributed to Wilbur and/or Orville Wright. Reference copy i More

[Rear view of flight 46, Orville flying at a high altitude over Huffman Prairie, Dayton, Ohio]

Title based on: Wilbur & Orville Wright, pictorial materials: a documentary guide / Arthur G. Renstrom. Washington: Library of Congress, 1982, p. 60. Attributed to Wilbur and/or Orville Wright. Reference copy i More

Bird's eye view of Waukegan, Ill., from Lawrence Captive Airship at 1000 ft. altitude. Published exclusively for W[...] Wandel, Waukegan, Ill.

Public domain aerial photograph, no copyright restrictions image - Picryl description Public domain photograph - panorama, United States, free to use, no copyright restrictions image - Picryl description

World’s Altitude Record Beaten By Ralph Johnstone [The World, 1 November 1910]

The Wilbur and Orville Wright Papers is a collection of documents related to the Wright brothers, two American inventors who are credited with building and flying the first successful powered airplane. The coll More

[Distant view of Bishop Milton Wright during his first ride in an airplane, when Orville attained an altitude of 350 feet at Simms Station, Dayton, Ohio]

Title based on: Wilbur & Orville Wright, pictorial materials: a documentary guide / Arthur G. Renstrom. Washington: Library of Congress, 1982, p. 39. Attributed to Wilbur and/or Orville Wright. Reference copy i More

[Left rear view of glider at a high altitude; Kitty Hawk, North Carolina]

Title from: Wilbur & Orville Wright, pictorial materials: a documentary guide / Arthur G. Renstrom. Washington: Library of Congress, 1982, p. 115. Attributed to Wilbur and/or Orville Wright. Reference copy in L More

[Left rear view of glider at a low altitude, showing the fixed vertical fin attached to a front strut; Kitty Hawk, North Carolina]

Title from: Wilbur & Orville Wright, pictorial materials: a documentary guide / Arthur G. Renstrom. Washington: Library of Congress, 1982, p. 115. Attributed to Wilbur and/or Orville Wright. Reference copy in L More

Airplanes - Materials - Castor Bean Culture, Dade City, Florida. Close view of castor plan showing the arrangement of the seeds. The castor oil which is made from the beans is used as a lubricant for airplane engines since high altitude does not freeze it. The industry is practically new in this country as a result of war needs. Several tons of castor seeds were supplied by the British government in order to get the industry properly started here. From Geo. H. Walker

Date Taken: 6/5/1918 Photographer: Geo. H. Walker Airplanes - Materials

Airplanes - Materials - Castor Bean Culture, Dade City, Florida. The oil which is made from the beans is used as a lubricant for airplane engines since high altitude does not freeze it. The industry is practically new in this country as a result of war needs. Several tons of castor seeds were supplied by the British government in order to get the industry properly started here. From Geo. H. Walker

Photographer: Geo. H. Walker Airplanes - Materials Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Balloons - Hangars and Beds - Atlantic Airship, largest in world, makes debut in England. The Atlantic airship, or R-33, makes its debut recently at Shelby, England. Flight proved successful for she remained three hours in air reaching an altitude of 2,000 feet

Date Taken: 3/20/1919 Photographer: Underwood & Underwood Balloons - Hangars and Beds

Airplanes - Types - Loening Monoplane with 300 H.P. Hispano Motor. Front view of machine in which Maj. Schroeder established new world's record by carrying three passengers to an altitude of 21,000 feet. Taken at McCook Field, Dayton, Ohio. Note the design of wing structure; also manner in which wings fasten to upper body longitudinals and are braced to bottom of body. Latter feature cuts weight of machine in half. Designed by Grover C. Loening, of the Loening Aeronautical Engineering Corporation, New York City. From S.C. Loening

Photographer: S.C. Loening Airplanes - Types Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Airplanes - Materials - Castor Bean Culture, Dade City, Florida. Field of castor beans. The oil which is made from the beans is used as a lubricant for airplane engines since high altitude does not freeze it. The industry is practically new in this country as a result of war needs. Several tons of castor seeds were supplied by the British government in order to get the industry properly started here. From Geo. H. Walker

Date Taken: 6/5/1918 Photographer: Geo. H. Walker Airplanes - Materials

Airplanes - Materials - Castor Bean Culture, Dade City, Florida. The oil which is made from the beans is used as a lubricant for airplane engines since high altitude does not freeze it. The industry is practically new in this country as a result of war needs. Several tons of castor seeds were supplied by the British government in order to get the industry properly started here. From Geo. H. Walker

Date Taken: 6/5/1918 Photographer: Geo. H. Walker Airplanes - Materials

Airplanes - Flight - First photograph to be released of the first Liberty Motor to fly. Now that the censorship has been released this photo shows the first aeroplane to be equipped with a Liberty Motor in flight. The late Col. Roosevelt made a flight in this machine. It was on August 21, 1917 that this plane with a Liberty Motor climbed 7,000 feet in 10 minutes and reached its maximum altitude of 19,000 feet in forty-one minutes. The speed developed was faster than that of the Nieuport Scout, on eof the leading European planes at that time

Date Taken: 8/21/1917 Photographer: Western Newspaper Union Airplanes - Flight

Airplanes - Materials - Castor Bean Culture, Dade City, Florida. Close view of castor bean field. The oil which is made from the beans is used as a lubricant for airplane engines since high altitude does not freeze it. The industry is practically new in this country as a result of war needs. Several tons of castor seeds were supplied by the British government in order to get the industry properly started here. From Geo. H. Walker

Date Taken: 6/5/1918 Photographer: Geo. H. Walker Airplanes - Materials

Airplanes - Materials - Castor Bean Culture, Dade City, Florida. The oil which is made from the beans is used as a lubricant for airplane engines since high altitude does not freeze it. The industry is practically new in this country as a result of war needs. Several tons of castor seeds were supplied by the British government in order to get the industry properly started here. From Geo. H. Walker

Date Taken: 6/5/1918 Photographer: Geo. H. Walker Airplanes - Materials

Canadian scenes. Rock at the altitude of 3,470 feet

Public domain photograph - historical image of Canada, free to use, no copyright restrictions image - Picryl description

Five persons lose lives in plane crash at Nation's Capital. Scene at Bolling Field, Washington, today shortly after a huge Army plane crashed from a 300-foot altitude claiming the lives of five people, including that of a congressman, his secretary, and a famous Army pilot. The dead are: Rep. William A. Kaylor, of Massachusetts; Arthur A. McGill, Scarsdale, N.Y., Capt. Harry A. Dinger, Pilot; Private Vladimir Kuzma, Mechanic; and Stanley B. Lowe, Secretary to Rep. Kaylor

Public domain photograph of Washington DC, 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Tests motors by synthetic cold. C.D. Bruce, of the automotive power plant section of the Bureau of Standards, makes a test of airplane motors to show how much coldness they can stand due to high altitude. The testing pipes get as cold as 53 degrees below zero. 12/30/30

Public domain photograph, 1910s-1920s portrait, American, free to use, no copyright restrictions image - Picryl description

Timberline Lodge, Mt. Hood National Forest, Timberline, Oregon. Altitude 6,000 feet. Altitude of mountain 11,245 feet

Picryl description: Public domain photo of vintage Oregon postcard.

Air views of Palestine. South end of Sea of Galilee. Semakh and outflow of the Jordan from higher altitude

Public domain photograph, 1930s-1940s Jerusalem, Palestine, History of Israel, free to use, no copyright restrictions image - Picryl description

Air route to Baghdad via Amman and the desert. Rutba wells. The half way desert station. Seen from high altitude

Public domain photograph, 1930s-1940s Jerusalem, Palestine, History of Israel, free to use, no copyright restrictions image - Picryl description

Air views of Palestine. Flight from Gaza to Cairo via Ismalieh. Breaker effect of the sands. Seen from a high altitude

Public domain image of Egyptian art, free to use, no copyright restrictions photo - Picryl description

Air route to Baghdad via Amman and the desert. Rutba wells from lower altitude, showing desert track to Baghdad

Public domain photograph, 1930s-1940s Jerusalem, Palestine, History of Israel, free to use, no copyright restrictions image - Picryl description

Navy Santa Cruz 'Airport'. Airport looking west: Municipal Rating: Location; 6 miles east of city- Altitude; 75ft - Layout: L-shaped, hard smooth dirt, Drainage; natural. East-west 2,500' X 300' North-South 2,000 X 400' to S.E. trees, to N.E. Hanger and Aviation fuel, Tower: 50' hight - Day Service Only ARC-1935-A93-0075-9

Navy Santa Cruz 'Airport'. Airport looking west: Municipal Rating: Location; 6 miles east of city- Altitude; 75ft - Layout: L-shaped, hard smooth dirt, Drainage; natural. East-west 2,500' X 300' North-South More

Receiving stratosphere weather data. B.W. Brown, of the U.S. Bureau of Standards staff, is shown here at the radio receiving set which captures signals from a new type of transmitter used in gathering meteorological data from an altitude of 14 miles

Public domain photograph of building interior, office, room, free to use, no copyright restrictions image - Picryl description

PRESIDENT GREETS STRATO FLYERS. PRESIDENT ROOSEVELT GREETS THE ARMY FLIERS WHO PILOTED THE STRATO BALLOON TO A NEW ALTITUDE RECORD OF 74,000 FEET IN SOUTH DAKOTA ON THE U.S. AIR CORP-NATIONAL GEOGRAPHIC FLIGHT. FROM THE LEFT: CAPT. ALBERT STEVENS; GEN. MALIN CRAIG, CHIEF OF STAFF; MAJ. GEN. OSCAR WESTOVER, ACTING CHIEF OF THE AIR CORPS; AND CAPT. ORVAL ANDERSON. CAPTAINS STEVENS AND ANDERSON, WHO MADE THE FLIGHT, PREDICT THAT THE EVENTUAL CEILING IS ABOUT 80,000 FEET, AND SAID THAT ANOTHER 1,000 FEET MIGHT HAVE BEEN ADDED TO THEIR RECORD BY USING HYDROGEN

A group of men standing around a desk. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

New radio meteorograph developed for the U.S. Navy. Washington, D.C., June 9. The National Bureau of Standards has recently developed for the U.S. Navy Meteorological Service a new radio meteorograph. The new instrument (shown in the picture) is sent up on a 5-Foot balloon and is expected to replace the use of airplanes in upper-air meteorological surroundings. E.G. Lapham, Associate Physicist of the bureau, is shown assembling the new meteorograph in preperation for an ascent. The device transmits audio notes which are a function of temperature and humidity. These notes are interrupted at approximately each 10-millibar increment in pressure, thus identifying each temperature and humidity indication with its respective increment of altitude, 6/9/37

Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Transatlantic flyers describe trip to President Roosevelt. Washington, D.C., May 15. Dick Merrill (left) and Jack Lambie as they arrived at the White House today to present President Roosevelt with a "first cover" of their coronation flight for the President's stamp collection. The airmail envelope was dated New York city May 8, stamped in London and again stamped in New York on their return yesterday. According to flyers the President seemed much interested in the weather they encountered and the altitude at which they made the flight, 5/15/1937

A black and white photo of two men in suits. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

Wives of "duster pilots" recover plane which has been damaged. In this dangerous occupation crashes are common but rarely fatal because of low speed, low altitude and high operating skill. Note farm machinery in background. Seabrook Farms, between Bridgeton and Vineland, New Jersey

Public domain photograph - New Jersey, United States, free to use, no copyright restrictions image - Picryl description

A girl riveting machine operator at the Douglas Aircraft Company plant joins sections of wing ribs to reinforce the inner wing assemblies of B-17F heavy bombers, Long Beach, Calif. Better known as the "Flying Fortress," the B-17F bomber is a later model of the B-17, which distinguished itself in action in the south Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber, with a crew of seven to nine men -- and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

This girl in a glass house is putting finishing touches on the bombardier nose section of a B-17F navy bomber, Long Beach, Calif. She's one of many capable women workers in the Douglas Aircraft Company plant. Better known as the "Flying Fortress," the B-17F is a later model of the B-17 which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude heavy bomber, with a crew of seven to nine men, and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain historical photo of Second World War, free to use, no copyright restrictions image.

Navy NAS Sunnyvale, Moffett Field, Cat Altitude 1500ft E.S. East from front gate toward Shenandoah Plaza and Hanger One ARC-1943-A93-0073-9

Navy NAS Sunnyvale, Moffett Field, Cat Altitude 1500ft E.S. East from front gate toward Shenandoah Plaza and Hanger One

Westinghouse 19B Turbojet in the Altitude Wind Tunnel

The Westinghouse 19XB turbojet seen from the side in the Altitude Wind Tunnel (AWT) test section at the National Advisory Committee for Aeronautics (NACA) Aircraft Engine Research Laboratory. Westinghouse start More

Altitude Wind Tunnel Drive Fan being Assembled

National Advisory Committee for Aeronautics (NACA) engineers assembled the Altitude Wind Tunnel’s (AWT) large wooden drive fan inside the hangar at the Aircraft Engine Research Laboratory. When it was built at More

First Test Program in the NACA’s Altitude Wind Tunnel

The Altitude Wind Tunnel (AWT) was the National Advisory Committee for Aeronautics (NACA) Aircraft Engine Research Laboratory’s largest and most important test facility in the 1940s. The AWT employed massive co More

Altitude Wind Tunnel Drive Motor Installation

Construction workers install the drive motor for the Altitude Wind Tunnel (AWT) in the Exhauster Building at the National Advisory Committee for Aeronautics (NACA) Aircraft Engine Research Laboratory. The AWT w More

B-29 Superfortress Engine in the Altitude Wind Tunnel

The resolution of the Boeing B-29 Superfortress’ engine cooling problems was one of the Aircraft Engine Research Laboratory’s (AERL) key contributions to the World War II effort. The B-29 leapfrogged previous b More

Bell XP–59A Airacomet in the Altitude Wind Tunnel

The secret test of the Bell YP–59A Airacomet in the spring of 1944 was the first investigation in the National Advisory Committee for Aeronautics (NACA) Aircraft Engine Research Laboratory’s new Altitude Wind T More

NAS Moffett Field Naval Air Station, Mt. View, Ca Altitude 1300ft E.S. East ARC-1944-A93-0073-10

NAS Moffett Field Naval Air Station, Mt. View, Ca Altitude 1300ft E.S. East

Production. B-17F heavy bombers. Aluminum cowl sections for B-17F heavy bombers are checked and inspected in the Long Beach, California, plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. B-17F heavy bombers. A woman plane construction technician fits the bombsight mount of a B-17F heavy bomber nearing completion at the Long Beach, California, plant of the Douglas Aircraft Company. The mount will carry the world's deadliest bombsight. Better known as the "Flying Fortress," the B-17F is a later model B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men with armament sufficient to defend itself on daylight missions

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Conversion. Beverage containers to aviation oxygen cylinders. After they are stamped on the huge toggle press in the metal division of a large rubber factory, these cylindrical domes which make up half of a shatterproof oxygen cylinder, are placed on a large conveyor where they are carried to workmen who will apply the circumferential and longitudinal straps. Cylinders are used for high altitude flying as a source of oxygen. Firestone, Akron, Ohio

Public domain photograph of 1930s industry, war production in the United States free to use, no copyright restrictions image - Picryl description

Production. B-17F heavy bombers. Women riveters in the Long Beach, California, plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Production. B-17F heavy bombers. A foreman at the Long Beach, California, plant of Douglas Aircraft Company, instructs two new women employees in the technique of sheet metal assembly work. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber, with a crew of seven to nine men with armament sufficient to defend itself on daylight missions

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Production. B-17F heavy bombers. One of the many women who have become excellent plane technicians at the Long Beach, California, plant of Douglas Aircraft Company. Her job is to check attaching angles on wing leading edges for the B-17F heavy bombers. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber, with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Production. B-17F heavy bombers. Women workers install fixtures and assemblies to a tail fuselage section of a B-17F Bomber at the Long Beach, California plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model of the B-17 which distinguished itself in action in the South Pacific, over Germany, and elsewhere. It is a long range, high altitude heavy bomber, with a crew of seven to nine men, and an armament sufficient to defend itself on daylight missions. Douglas Aircraft Company

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

One of the "Flying Sergeants" dons his oxygen apparatus for high altitude flying. Immediately over his heavy flying suit is his "Mae West" life preserver, which is easily inflated. Lake Muroc, California

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Production. Lockheed P-38 pursuit planes. A liquid-cooled turbo-supercharged Allison engine is installed in a new Lockheed P-38 pursuit ship. This engine has carried the P-38 through brilliant performances in the Aleutians. The P-38 is an excellent high- altitude fighter with great firepower. Its speed at its best altitude gives it rank among the world's fastest fighting aircraft

Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.

Production. B-17F heavy bombers. Another new B-17F heavy bomber receives a final tuneup before its maiden flight from the Long Beach, California, plant of Douglas Aircraft. Better known as the "Flying Fortress," the B-17F is a later model B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. Lockheed P-38 pursuit planes. Lockheed P-38 pursuit ships are made ready for test flights at a large Western aircraft plant. These planes, powered by twin Allison liquid-cooled engines, have performed brilliantly in action, notably in the Aleutians. The P-38 has long range and great firepower and rates at its best altitude as one of the world's fastest fighting ships

Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description

Conversion. Beverage containers to aviation oxygen cylinders. An oxygen cylinder for high altitude flying, manufactured by the metal division of a large Eastern rubber factory is completed, and after having passed all tests, it is placed on the huge stack ready for shipment to the U.S. Army. Firestone, Akron, Ohio

Public domain photograph of manufacturing, industry, free to use, no copyright restrictions image - Picryl description

Lake Muroc, California. Flying sergeant dressing in his high altitude cold weather flying suit

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Conversion. Beverage containers to aviation oxygen cylinders. After the circumferential straps are welded to the cylindrical portion, in the metal division of a large Eastern rubber factory, rough edges and accumulated weld scale are removed by a skilled workman. The twin rotary brushes, shown above, do their work on the inside and outside of the cylinder in the same operation. This process is required in the manufacture of shatterproof oxygen cylinders for high altitude flying. Firestone, Akron, Ohio

Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.

"Flying Sergeant" in high altitude and cold weather uniform. Lake Muroc, California

Picryl description: Public domain image of a sports competition, baseball play, baseball player, athlete, 20th century, free to use, no copyright restrictions.

Production. B-17F heavy bombers. A woman worker at the Long Beach, California, plant of Douglas Aircraft Company, spot welds wing skin sheets for a B-17F heavy bomber. The welding machine is suspended over sheets which move on a platform below her. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber, with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. Lockheed P-38 pursuit planes. New Lockheed P-38 pursuit ships that have successfully passed inspection for routine test flights are transferred to the Lockheed air terminal. Here flight mechanics take over and prepare them for the flight test. These ships have performed beautifully in action, notably in the Aleutians. They are excellent high-altitude fighters and rank among the world's fastest combat aircraft. Their long-range and great firepower give promise of their value as escorts for high- altitude bombers

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. B-17F heavy bombers. Three-story jigs are used for the assembly of the inner wings of B-17F heavy bombers at the Long Beach, California plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude heavy bomber, with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions. Douglas Aircraft Company

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. B-17F heavy bombers. The careful, skilled fingers of women workers at the Long Beach, California, plant of Douglas Aircraft Company, prepare a wing rib for a mighty bomber. Better known as the "Flying Fortress," the B-17F is a later model of B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber, with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Conversion. Beverage containers to aviation oxygen cylinders. Four major welding operations are essential to the manufacture of shatterproof oxygen cylinders for high altitude flying. In the first, the circumferential straps are securely welded to the cylindrical portion to prevent tearing of the metal. The process is shown above, taken in the metal division of a large Eastern rubber factory. Firestone, Akron, Ohio

Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less

Production. B-17F heavy bombers. Two girl workers in the Long Beach, California, plant of the Douglas Aircraft Company, put finishing touches on the bombardier nose section of a B-17F heavy bomber. Better known as the "Flying Fortress," the B-17F is a later model B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. B-17F heavy bombers. Dorsal fins for B-17F heavy bombers, America's killer whales of the air, ready for the assembly line at the Long Beach, California plant of the Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model of the B-17 which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude heavy bomber with a crew of seven to nine men with armament sufficient to defend itself on daylight missions. Douglas Aircraft Company

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. B-17F heavy bombers. A riveting crew at the Long Beach, California, plant of Douglas Aircraft Company, assembles the frame of a nacelle for a B-17F heavy bomber. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber, with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Public domain photograph of musical performance, musicians, music, free to use, no copyright restrictions image - Picryl description

Production. B-17F heavy bombers. A line of fuselage nose sections for B-17F heavy bombers moving in an overhead conveyor trolley toward the final assembly line at the Long Beach, California, plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

"Flying Sergeant" dressing in his high altitude cold weather flying suit. Lake Muroc, California

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Production. B-17F heavy bombers. Overall view of a conveyor assembly line at the Long Beach, California, plant of Douglas Aircraft Company, showing B-17F fuselages going through and, at right, sectional fuselage jigs in which fuselage halves are assembled from prefabricated parts. Better known as the "Flying Fortress," the B-17F is a later model B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description

Conversion. Beverage containers to aviation oxygen cylinders. Before completion of the fourth and final welding operation in the manufacture of shatterproof oxygen cylinders for high altitude flying, all straps are subjected to physical tests to determine the strength of the weld. Occasional radiographic inspections are made to insure the quality of workmanship and materials after the atomic welding machine has brought the two halves of the cylinder together and made into one unit. The operator, looking through a specially designed dark safety glass, rotates the shell by sight to insure a perfect and uniform union of the two halves. Firestone, Akron, Ohio

Public domain photograph - historical image of Ohio, United States, free to use, no copyright restrictions image - Picryl description

Production. B-17F heavy bombers. Even the icebox had its place in the modern aircraft assembly line. Certain types of rivets fit more perfectly when they are installed in the cold or shrunken state. The girl is removing a supply of rivets from dry ice in the Long Beach, California, plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.

Production. B-17F heavy bombers. Negro girls are proving willing and capable aircraft workers. This girl works on wing jigs in the assembly of B-17F heavy bombers at the Long Beach, California, plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of girl workers, child labor, working children, economic conditions, free to use, no copyright restrictions.

Production. Lockheed P-38 pursuit planes. A Lockheed P-38 pursuit ship, just returned from flight tests, is checked and reconditioned in the test hangar of a large Western aircraft plant. After these operations, the ship will be ready for delivery to the Army. The P-38 has performed brilliantly in action, notably in the Aleutians. Its long range and great firepower give it real promise as an escort for high-altitude bombers. At its best altitude, the P-38 is one of the world's fastest fighting planes

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. B-17F heavy bombers. This girl in a glass house is putting finishing touches on the bombardier nose section of a B-17F heavy bomber. She's one of many capable women workers in the Long Beach, California, plant of the Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Conversion. Beverage containers to aviation oxygen cylinders. Once the two-half cylinders are joined together into a complete shatterproof high altitude flying oxygen cylinder on the production line of a huge rubber factory now producing metal essential for the Army, all traces of inside weld scale must be removed to prevent contamination of oxygen. In this process, a special chemical solution is drawn through the cylinder at controlled temperature and all foreign matter is removed. Firestone, Akron, Ohio

Picryl description: Public domain image of people, meeting, eating, drinking, food, beverage, 1930s, free to use, no copyright restrictions.

Production. B-17F heavy bombers. The stinger in the tail of the B-17F heavy bomber has sent many a Jap and Nazi plane down in flaming wreckage. This new ship is ready for delivery from the Long Beach, California, plant of the Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men with armament sufficient to defend itself on daylight missions

Picryl description: Public domain historical photo of Second World War, free to use, no copyright restrictions image.

Production. B-17F heavy bombers. In the transport nose of this new B-17F heavy bomber is housed the deadliest bombsight in the world. The plane is just about ready to make its maiden flight from the Long Beach, California, plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Conversion. Beverage containers to aviation oxygen cylinders. The huge press which formed the beverage containers shells pictured here has since been converted to produce oxygen cylinders, required by the U.S. Army for high altitude flying. The conversion was accomplished by substituting new dies. Firestone, Akron, Ohio

Picryl description: Public domain image of a factory, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions.

Production. B-17F heavy bombers. The upper power turret of a new B-17F heavy bomber, just produced at the Long Beach, California, plant of Douglas Aircraft. Turrets like this have meant the finish of many Jap and Nazi flyers. Better known as the "Flying Fortress," the B-17F is a later model B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain historical photo of Second World War, free to use, no copyright restrictions image.

Production. B-17F heavy bombers. A lower skin section is riveted to the wing of a B-17F heavy bomber by women workers in the Long Beach, California, plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. B-17F heavy bombers. The belly turret of the B-17F heavy bomber has stopped many Axis pilots. A gunner on this rotating cage controls the fire of two heavy caliber machine guns. This new ship is ready for delivery from the Long Beach, California, plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. B-17F heavy bombers. Assembly work on a B-17F heavy bomber is speeded by unobstructed working areas and adequate parts storage spaces at the Long Beach, California, plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. B-17F heavy bombers. A women worker, over 60 years old, does an expert riveting job on a B-17F bomber in the Long Beach, California, plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Conversion. Beverage containers to aviation oxygen cylinders. Before completion of the fourth and final welding operation in the manufacture of shatterproof oxygen cylinders for high altitude flying, all straps are subjected to physical tests to determine the strength of the weld. Occasional radiographic inspections are made to insure the quality of workmanship after the two halves of the cylinder are brought together in this atomic welding machine and made one unit. Here, the operator has just completed the union and is about to remove the whole cylinder. Firestone, Akron, Ohio

Picryl description: Public domain image of workers, labor, 1940s, economic conditions, free to use, no copyright restrictions.

Production. B-17F heavy bombers. Women install nacelles and wing members to the wing section of a B-17F heavy bomber in the Long Beach, California, plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. B-17F heavy bombers. Two soldiers of the production lines at the Long Beach, California, plant of Douglas Aircraft Company. The woman in the foreground works inside of a B-17F heavy bomber nacelle; the woman in the background moves spot-welded wing sheets. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nice men and with armament sufficient to defend itself on daylight missions

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Production. B-17F heavy bombers. Busy workers at the Long Beach, California, plant of Douglas Aircraft Company, groom a new B-17F heavy bomber as the "Flying Fortress." The B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. B-17F heavy bombers. Two girl workers in the Long Beach, California, plant of the Douglas Aircraft Company, put finishing touches on the bombardier nose section of a B-17F heavy bomber. Better known as the "Flying Fortress," the B-17F is a later model B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men with armament sufficient to defend itself on daylight missions

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description