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Framed Pictures, Canvas Prints
Posters & Jigsaws since 2004

Valve Gallery

Available as Framed Prints, Photos, Wall Art and Gift Items

Choose from 184 pictures in our Valve collection for your Wall Art or Photo Gift. Popular choices include Framed Prints, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.


Perpetual motion machine, 19th century Featured Print

Perpetual motion machine, 19th century

Perpetual motion machine. Historical diagram of a perpetual motion machine. The machine consists of bellows (F), which are pumped by the rod P, which is moved by the crank N and wheel L. The wheel L is turned by the rod K, which is moved by the crank H. Crank H is attached to the axle B, which is in a tank of water and driven by 6 bladders (C). When at their lowest point the bladders are filled with air from the bellows. This makes them buoyant and so turns the axle B in a clockwise direction. When the bladder leaves the water the knob S opens the valve Q, which lets the air out of the bladder. Such a machine could not work as it would violate the law of the conservation of energy. Artwork from Mechanics Magazine (December 1823).

© Sheila Terry/Science Photo Library

Hoover Tunes In Featured Print

Hoover Tunes In

circa 1928: Herbert Hoover (1874 - 1964), Republican Party candidate for the Presidency of the United States of America, listening to a one valve radio set. (Photo by Topical Press Agency/Getty Images)

1920 1929, 3311711, 8142 P Hoover Herbert, Adult, Adults Only, America Top, Archival, Audio Equipment, Black, Black And White, Character, Communication, Consumerproduct, Equipment Radio Headphones Roles, Government, Headphones, Herbert Hoover Us President, Horizontal, Human Interest, Human Role, Landscape Male Audio, Listening, Males, North America, Occupations Personality Telecommunication American North, One Man Only, One Person, People, Politician, Politics, Presidential Election, Public Speaker, Radio, Republican Party, Science, Science And Technology, Set, Single, Top E 8142, United States Presidential Election, Us President, Usa, Valve, White Format

Chauny, Aisne, France - River Oise Featured Print

Chauny, Aisne, France - River Oise

Chauny, France - locks and sluice valves in the River Oise, a tributary of the River Seine, with buildings ruined in wartime.
1914-1918

© The Roseries Collection / Mary Evans Picture Library

1st, Aisne, Bridge, Buildings, Chauny, France, French, Great, Jan16, Lock, Locks, Oise, River, Rivers, Ruined, Seine, Sluice, Tributary, Valve, Valves, War, Wartime, Water, World, Ww1, Wwi