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Look and Learn History Picture Library License images from £2.99

Pictures of ‘valves’ (exact matches)

Perreaux' Patent Pump-Valves in the Western Annexe of the International Exhibition
Perreaux' Patent Pump-Valves in the Western Annexe of the International Exhibition
Lee de Forest
Lee de Forest
Page from The Architect's, Surveyor's and Engineer's Compendium 1892
Page from The Architect's, Surveyor's and Engineer's Compendium 1892
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
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
Page from The Pictorial Museum of Animated Nature
Page from The Pictorial Museum of Animated Nature
The Northumberland Prize Life-Boat
The Northumberland Prize Life-Boat