A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 56
The § 13 GEOMETRICAL DRAWING 41 … Problem 19.—The side of a regular polygon beinggiven, to construct the polygon. Construction.—In Fig. o-i, let .-^ T be the given side. Ifthe polygon is to have eight sides, the line A C should be,for this plate, l^^ long. ProduceA C to B. From C as center,with a radius equal to C A, de-scribe the…
