Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 832
Tlie mode in which the parts of a watch are actually arranged is sliown in ? ^. 3740, representing thainterior of a watch, from which one of the plates has been removed, seen frcji above. Here o is thebarrel, containing the mainspring coiled within it. By the elasticity of this, the barrel is made…
Mechanical engineering · Mechanics · Engineering
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