Hoelscher, Randolph P. Springer, Clifford H. Engineering drawing and geometry / Randolph P.Hoelscher, Clifford H.Springer - 2nd ed. - New Y ork John Wiley & Sons. 1961 - varied pages. ISBN: 237522 Subjects--Topical Terms: Engineering drawing Technical drawing Dewey Class. No.: 604.2 / HOE