Mechanical drawing; a treatise on the drawing of mechanical and machine details (1920)
Jones, Franklin Day, 1879-1967 · New York, The Industrial press; [etc., etc.] · leaf 235
ns, 222 MECHANICAL DRAWING couplings, etc. The size of a fitting corresponds to the nomi-nal size of pipe for which it is intended. The smaller pipesare commonly joined by some form of screwed connection,such as a coupling or union, but for sizes above 6 inches,flanges which are held together by… … Machinery Fig. 16. Examples of Pipe Drawing bolts. The most recent of these standards is known as theAmerican standard, which became effective January i, 1914.The draftsman engaged on work which requires piping shouldsecure tables covering the sizes of different classes of fittingsand other data…
Mechanical drawing
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