01005cam a22002891 4500 l 30000125 DLC 20260227111532.0 800308s1930 sz a b 000 0 eng c l 30000125 (OCoLC)6062814 Library, U.S. Dept. of Labor NBuU DLC premarc HD4813 .I4 ser. F 2d sect., no. 4 International Labour Office. Protection of workers operating metal-working presses. Geneva [Atar] 1930. viii, 123 p. illus. 24 cm. Studies and reports, Series F, second section, Safety, no. 4 At head of title: International Labour Office. "Prepared by Mr. Marcel Frois, Divisional Labour Inspector, Paris ... "--Pref. Bibliography: p. [118] Machinery Safety appliances. Pressing machinery. Accidents Prevention. Frois, Marcel, d. 1929. 35982 35982