The boy's modern playmate : a book of sports, games, and pastimes (1890)
Wood, J. G. (John George), 1827-1889, compiler, editor, Dalziel, George, 1815-1902, engraver, Dalziel, Edward, 1817-1905, engraver · London ; New York : Frederick Warne & Co. · leaf 442
as possible, and then finish it by turning and filing. Avoid brass, as it looks too much like the toy¬ shop style. The distance between the centre of the piston cross-head-pin and that of the crank-pin should be 6 in. The arms are to be 3f in. long, taking the measurement from the top of the radius… … The next consideration will be the eccentric-sheave (Fig. 22) and strap (Fig. 23). In theory the eccentric is really only a modification of the crank, and,
Games · Amusements · Sports · Recreation · Pets
Internet Archive · Harold B. Lee Library · Public domain (published before 1931). Free to use for anything.