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 40
s his standard of measurement; if he wishes to make hisdrawing j-g size he uses a quarter inch with its subdivisions. MACHINE DRAWING 29 Sometimes if the piece to be drawn is too small to be satisfactorilyshown full size, the drawing is made to an enlarged scale, such astwice size, three times… … ■SMO/7T PR LEVEFfONE STEEL FOFIG/NG Fig. 30. Reduced Scale Drawing. Actual Scale, 3= 1 standard for \ size, which is wrong. The figure on the scale indicatesthe distance which is divided up to represent 1 foot, so that thepart of the scale which has \ marked on it means that \ of an inchis divided…
Machinery
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