00982cam a22002771 4500 l 33000050 DLC 20260227111534.0 790710s1933 sz a i100 0 eng c l 33000050 (OCoLC)5156270 U.S. Dept. of Labor. Library OCl DLC premarc HD5119.G6 I5 1933d 331.818661 International Labour Office Methods of providing rest and alternation of shifts in automatic sheet-glass works. Fourth item on the agenda. Geneva, 1933. 67, [1] p. diagrs. 24 cm. At head of title: First discussion. International Labour Conference. 17th sess., Geneva, 1933. "Appendix: The sheet-glass industry of the United States": p. [68] Glass manufacture. Shift systems. Rest. International Labor Conference (17th : 1933 : Geneva) 36084 36084