Illustration showing Watt's prototype steam engine
Illustration showing Watt's prototype steam engine Old Bess, in which reciprocating motion was turned into rotary motion by a sun-and-planet gear train. From Samuel Smiles Lives of Boulton and Watt, London, 1865
Picture No
13912324
Media ID
48512464
Size
4770px x 4397px
(7.7MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive





























