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Marine Corps barrage balloons, Parris Island, S.C.
Ballonguppstigning under Allmänna Konst- och Industriutställningen i Stockholm 1897. Ballongen fördes av dansken Johannessen och passagerare var fotografen Oscar Halldin.
U.S. Army observer, George Grantham Bain Collection
Balloons - Miscellaneous - Italian balloon, Fort Omaha, Nebraska
Marine Corps barrage balloons, Parris Island, S.C.
Balloons - C - Twin Engine Dirigible C-1 N.O. 3509, stern view
U.S. AIR FORCE ACADEMY, Colo. -- U.S. Air Force Academy
A U.S. Army paratrooper lands on the drop zone with
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Balloons - Miscellaneous - Navy Dirigible. Navy dirigible with 100 H.P. Curtiss motor, at the Goodyear Tire and Rubber Co., Flying Field, Akron, Ohio
Balloons - R - Activity in producing balloons for war service. Nurse type balloon, first one manufactured by Ohio Company, Firestone Tire & Rubber Co. plant, Akron, O
Balloons - Firestone Tire & Rubber Co. - Activity in producing balloons for war service. Top and end view of nurse type balloons, Firestone Tire and Rubber Co. plant, Akron, O
Balloons - Hangars and Beds - Goodyear Tire and Rubber Co., Flying Field, Akron, Ohio. A number of special type balloons in a hangar
Balloons - R - Activity in producing balloons for war service. Nurse type balloons manufactured at this plant, Firestone Tire and Rubber Co. plant, Akron, O
Balloons - Goodrich Rubber Co. - Manufacturing balloon and dirigibles for government by Goodrich Rubber Co. Plant, Akron, Ohio. Army kite balloon being tested under air pressure
Balloons - Goodrich Rubber Co. - Manufacturing balloon and dirigibles for government by Goodrich Rubber Co. Plant, Akron, Ohio. Manifold for class B dirigibles
Balloons - Goodrich Rubber Co. - Manufacturing balloon and dirigibles for government by Goodrich Rubber Co. Plant, Akron, Ohio. Inspecting rigging on Army kite balloon
Balloons - Firestone Tire & Rubber Co. - Activity in producing balloons for war service. French type kite balloon showing riggen band equipment and bell scoop. Lt. Steptaw and Lt. Chase the government representatives at this plant. Firestone Tire & Rubber Co. plant, Akron, O
Balloons - Hangars and Beds - Twin Motored Burgess Car which is standard equipment on 170, 000 cu. Ft. dirigibles being manufactured for Army and Navy by The Goodyear Tire and Rubber Co., Akron, O
Summary
Photographer: Goodyear Tire Co. Akron, O.
Balloons - Hangars and Beds
Public domain image of an airship, no copyright restrictions image - Picryl description
The main types of airship are non-rigid, semi-rigid, and rigid. Non-rigid airships, often called "blimps", rely on internal pressure to maintain the shape of the airship. Semi-rigid airships maintain the envelope shape by internal pressure but have a supporting structure. Rigid airships have an outer structural framework which maintains the shape and carries all structural loads, while the lifting gas is contained in internal gas bags or cells. Rigid airships were first flown by Count Zeppelin and the vast majority of rigid airships built were manufactured by the firm he founded. As a result, all rigid airships are sometimes called zeppelins. In early dirigibles, the lifting gas used was hydrogen, due to its high lifting capacity and ready availability. Helium gas has almost the same lifting capacity and is not flammable, unlike hydrogen, but is rare and relatively expensive. Airships were most commonly used before the 1940s, but their use decreased over time as their capabilities were surpassed by those of aeroplanes.