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 112
cal pro-jection a totally different aspect, and may be accurately determined bythe following construction. Throiigli any ])()iiit taken u])()n the j^lan (fig. 4) draw a liorizontal lineah\\v]\\v\\ is to \)v considciHd as indicating a i)lanc cutting both cylindersparallel to tlicir axes ; this plane… … « S i i i be ■I; ; /li ^ iV \ : r^ — S-. ^ V1 ; •^ ■^ \^^ 1 ^^^ ~K, ■^ C: ^^^-^ PLATE Y IL
