Machine drawing; a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator (1914)
Griffin, Charles Lewis, 1867-, Adams, Charles Clyde, 1882- joint author · Chicago, American technical society · leaf 185
s. The scale to which the drawing is to bemade is indicated in the title corner on every plate. Scales to be Used. The scales permissible for shop drawingsin the United States are those readily derived from the common footrule, such as full size, 6 inches = 1 foot, 3 inches = 1 foot, 1J inches= 1… … MACHINE DRAWING 173 being confined to a special graduation. To do this it is not neces-sary to divide each dimension by 2, 4, and 8 to get half size, quartersize, or eighth size, and then lay down the result. For half size, or6 inches = 1 foot, f inch on an ordinary rule represents 1 inch.Hence,…
Machinery
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