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,...
Weston (of Newark, NJ) Electrodynamometer Milliammeter model 370 No. 1519. Measures small electrical currents, milliamperes. Reliable within .25%. To obtain greatest accuracy on direct current, reversed readings should be taken to eliminate the...
Weston (of Newark, NJ) Electrodynamometer Milliammeter model 370 No. 1519. Measures small electrical currents, milliamperes. Reliable within .25%. To obtain greatest accuracy on direct current, reversed readings should be taken to eliminate the...
