01147cam a22002891 4500 l 34000003 DLC 20260227111534.0 741219s1933 xx 000 0 eng l 34000003 (OCoLC)1116986 DLC NhD OCoLC DLC premarc HD8051 .A62 no. 593 Bowden, Witt, 1886- Technological changes and employment in the electric-lamp industry, by Witt Bowden. Washington, U.S. Govt. print. off., 1933. v, 62p. incl. illus., tables, diagr. plates. 23cm. Bulletin of the United States Bureau of labor statistics, no. 593. Employment and unemployment series At head of title: United States Department of labor. Frances Perkins, secretary. Bureau of labor statistics. Isador Lubin, commissioner. Issued also as House doc. 156, 73d Cong., 2d sess. Electric lamps. Labor productivity. Unemployed United States. Electric lighting. United States. Bureau of Labor Statistics. 36122 36122