Appleton's cyclopædia of drawing, designed as a textbook for the mechanic, architect, engineer, and surveyor (1866)
Worthen, William Ezra, 1819-1897, [from old catalog] ed, Appleton, firm, publishers, New York. (1866. D. Appleton & co.) [from old catalog] · New York, D. Appleton and company · leaf 141
C A B is the developed surface. It is to be remarked, that in the preceding demonstrations, the forms aredescribed to cover the surface only; in construc-tion, allowance is to be made for lap by the addi-tion of margins on each side as necessary. Itis found difficult in the formation of… … MECHANICS. 105 mecha:nics. The profession of an arcliitectural or meclianical dranghtsman shouldembrace not merely the mere copying of examples which may be furnishedhim, but also the designing of new edifices and machines, in which he maydraw from the results of his own experience; from good…