00789cam a22002291 4500 po 32000051 DLC 20260227111858.0 881010s1932 waua s000 0 eng c po 32000051 (OCoLC)18582807 U.S. Patent Office. Libr. MsU DLC premarc TL567.B3 E3 629.13072 Eastman, Fred Scoville. An electromagnetic balance for force measurement or current control, by Fred Scoville Eastman. Seattle, University of Washington, 1932. 29 p. illus. 23 cm. Bulletin, University of Washington. Engineering Experiment Station. Engineering Experiment Station series. Bulletin no. 60 Aerodynamics. 51674 51674