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4073. Safety codes. Safety code for mechanical power-transmission apparatus, National Bureau of Casualty and Surety Underwriters, International Association of Industrial Accident Boards and Commissions [and] American Society of Mechanical Engineers, sponsors; tentative American standard, approved July, 1923, by American Engineering Standards Committee.

Corporate/Agency Authors:
Labor Statistics Bureau, Employment Service, and Labor Department
Publisher:
Labor Statistics Bureau
Date:
Aug. 1924
SuDoc number:
L 2.3:364

4076. Cost of living in United States.

Corporate/Agency Authors:
Labor Statistics Bureau and Labor Department
Publisher:
Labor Statistics Bureau
Date:
May, 1924
SuDoc number:
L 2.3:357