C.E. Turner of Massachusetts Institute of Technology, Dept. of Biology and Public Health wrote G.A. Pennock and M.L. Putnam. The letters discuss testing causes for increased output, analyzing output by 15 minute intervals, testing vascular skin...
Comments from mica test room operators. The comments were recorded and classified as follows: A. Rest periods, hours, holidays, vacations; B. Production, earnings, repairs, type; C. Supervision and test room environment; D. Attitudes and transient...