Bowden, Witt,  1886- <br/><br/>
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 .
<br/><br/> 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. 
<br/><br/><label>LCCN: </label>l  34000003  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric lamps.<br/>Labor productivity.<br/>Unemployed--United States.<br/>Electric lighting.
<br/><br/><label>LC Class. No.: </label>HD8051  / .A62 no. 593