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...
Correspondence passed among investigators from September 1928 to February 1934. Letters to G.A. Pennock from Dr. Elton Mayo examined blood pressure, visits, generalizing mind for administration and societal changes; biological measures needs,...