TY  - BOOK
AU  - Bowden,Witt
ED  - United States.
TI  - Technological changes and employment in the electric-lamp industry,
T2  - Bulletin of the United States Bureau of labor statistics, no. 593. Employment and unemployment series
AV  - HD8051 .A62 no. 593
PY  - 1933///
CY  - Washington
PB  - U.S. Govt. print. off.
KW  - Electric lamps
KW  - Labor productivity
KW  - Unemployed
KW  - United States
KW  - Electric lighting
N1  - 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
ER  -