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 176
enlargedenough to cut the key-seat. ri. XIV.—Figs. 1, 2, 3, represent diiferent views of a wooden water-wlieel shaft. Fig. 1 shows at one end the side external elevation of thesluift, fumished witli its iron ferules or collars and its gudgeon; at theotlier end, the shiift is shown in sections,… … DRAWING OF MACniXERY. 139 the innermost or central piece is not sectioned unless it has some internalpeculiarity, the object of a section being to show and explain peculiarities,and being therefore unnecessary when the object is solid ; on this account,bolts, nuts, and solid cylindrical shafts are…