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Two Glass Containers for Scientific Experiments with Liquids (Illustrations for "Saggi di naturali esperienze")

Attributed to Anonymous, 17th century Public domain scan of 17th-century drawing, free to use, no copyright restrictions image - Picryl description

Foam Fire Extinguisher, Liquids Used "A" and "B", Resultant Volume "C"

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Studying why fruits taste that way. E.K. Nelson of the Department of Agriculture is shown making tests with an apparatus which the Department imported from Germany for the purpose of studying the essential oils or "flavor-giving" content of fruits and vegetables. At present chemists are acquainted with the essential oils of only a few fruits, such as some of the citrus group. The apparatus is a vacuum distill which permits the distillation of liquids at temperatures much lower than usual by reducing the pressure, 1/10/31

Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

Guayule rubber "worms." Salinas, California. In the factory the guayule shrub is put through various choppers and chrushers while mixed with liquids. After being crushed and rolled it goes to settling tanks, where these worms from as the bagasse sink to the bottom. Later the worms are dried and go through the rollers to form a cake of rubber

Public domain photograph - California, United States, World War Two, free to use, no copyright restrictions image - Picryl description

On the mill rollers. First the raw rubber is wedged into the revolving steel drums and mashed into a flat sheet which clings to one of the rollers like clothes sometimes stick to a clothes-wringer. Powders and liquids tossed into the center of this surging mass soon become a part of it. Firestone (General Tires), Akron, Ohio

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.

Salinas, California. Intercontinental Rubber Producers. Guayule rubber "worms." In the factory the guayule shrub is put through various choppers and crushers while mixed with liquids. After being crushed and rolled, it goes to settling tanks where these "worms" form as the bagasse sinks to the bottom. Later the "worms" are dried and go through rollers to form a cake of rubber

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

After the oil is extracted from chopped olives by means of hydraulic pressure, the oily mixture is pumped into settling tanks where the oil rises to the top and the non-oily liquids sink to the bottom. Lindsay, California

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

Production. Milling machines and machine castings. We are inclined to compare all liquids with water. Iron trickles through little channels with a speed that makes water look sluggish -- a surprising thing until you realize that, molten or not, it's still heavy as iron. Location: a large Midwest machine tool factory

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

Civilian defense. Fire prevention. Gasoline, naptha, benzine, and other highly flammable liquids are too dangerous for general use around the home. The cleaning of clothes in the home should be done with one of the many non-flammable preparations now on the market. The other dangerous liquids should not even be stored in the home. They started 20,000 fires last year, resulting in the destruction of four million dollars of property

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

KENNEDY SPACE CENTER, FLA. -- Two GetAway Special (GAS) experiments SEM-06 (left) and MARS (right), part of the payload on mission STS-101, are seen here in the payload bay of Space Shuttle Atlantis prior to door closure. The SEM program is student-developed, focusing on the science of zero-gravity and microgravity. Selected student experiments on this sixth venture are testing the effects of space on Idaho tubers, seeds, paint, yeast, film, liquids, electronics and magnetic chips. MARS is the name for part of the KSC Space Life Sciences Outreach Program. It includes 20 participating schools (ranging from elementary to high school) from all over the nation and one in Canada who have been involved in KSC Space Life Sciences projects over the past seven years. The MARS payload has 20 tubes filled with materials for various classroom investigations designed by the MARS schools. The primary mission of STS-101 is to deliver logistics and supplies to the International Space Station, plus prepare the Station for the arrival of the Zvezda Service Module, expected to be launched by Russia in July 2000. The crew will conduct one space walk to perform maintenance on the Space Station. This will be the third assembly flight for the Space Station. STS-101 is scheduled to launch April 24 at 4:15 p.m. from Launch Pad 39A KSC-00pp0489

KENNEDY SPACE CENTER, FLA. -- Two GetAway Special (GAS) experiments SEM-06 (left) and MARS (right), part of the payload on mission STS-101, are seen here in the payload bay of Space Shuttle Atlantis prior to do More