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Look and Learn History Picture Library License images from £2.99

Pictures of ‘valves’ (exact matches)

Page from The Architect's, Surveyor's and Engineer's Compendium 1892
Page from The Architect's, Surveyor's and Engineer's Compendium 1892
The Parts of a Bicycle
The Parts of a Bicycle
Page from the Army & Navy Catalogue, April 1902
Page from the Army & Navy Catalogue, April 1902
On some Remarkable Examples of Irregular Growth in the Oyster
On some Remarkable Examples of Irregular Growth in the Oyster
Works of the "Leviathan" Engine
Works of the "Leviathan" Engine
Lee de Forest
Lee de Forest
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A Menace to the All-British Cable, the Teredo, a Mollusc which eats into Submarine Telegraph Lines
A Menace to the All-British Cable, the Teredo, a Mollusc which eats into Submarine Telegraph Lines