NORRIS, EARLE B.
Shop mathematics. Pt.1: Shop arithmetic. By Earle B. Norris and Kenneth G. Smith. 3d ed.
NORRIS, EARLE B. Shop mathematics. Pt.1: Shop arithmetic. By Earle B. Norris and Kenneth G. Smith. 3d ed. © 1Sep31; A41475. Earle B. Norris (A); 7Apr59; R234710.
Earle B. Norris|A