00495cam a22001457a 4500008004000000082001400040100001800054245004700072260005700119300001000176500004900186650005200235650003100287650003100318180718b1934   xxu||||| |||| 00| 0 eng d  aT253 J483  aJerome, Harry  aMechanization in industrycby Harry Jerome  aNew YorkbNational Bureau of Economic Researchc1934  a484p.  aNational Bureau of Economic Research Pub. 27  aUnited States --Economic conditions --1918-1945  aIndustries --United States  aMachinery in the workplace