A practical course in mechanical drawing for individual study and shop classes, trade and high schools (1912)
Willard, William Franklin, 1879- · Chicago : Popular mechanics company · leaf 90
STRAP STEEL F.A.O. 87 / ROD tt II 88 a BOLTS W.I. 6x/0 1 It It 3 Xfo 2 // II ixfo 1 // tt 1II in 1^ X^D i tr a Fig. 89 nto use, for the machinist is obliged to follow thpecifications thereon, regardless of what he mighhink ought to be done in the case. This places all thesponsibility of error upon… … e^6J0/5TS Figf. 90 necessary that such a drawing be as carefully made forthe carpenter or cabinetmaker as for the machinist orengmeer, and no skilled workman should attempt atask requiring skill and accuracy without it. 88 A PRACTICAL COURSE IN For erecting the framework of a cottage,…
Mechanical drawing
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