Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 184
m r 7f5k \ 7>?f T \SMfi If t ?C3 \ t-,/3?^ wt 1 - >**^^ . / r^ \^^b 1 \ ij^w H ^^m ^^B ^^m mlf AV ^^rl / mB \ JKmmmmmf … Fig. 242. 170 MECHANICAL DRAWING. appearance with a maximum of legibility and requires the leastamount of labor and time to construct it; while the former isexpected to use a style of letter suggested by the character ofthe drawing to be named and noted. The alphabet shown in Figs. 241-242, known…
