TY - BOOK AU - Eastman,Fred Scoville TI - Vacuum-tube control for electric wind-tunnel balances, T2 - Washington (State) University. Engineering Experiment Station. Engineering Experiment Station series. Bulletin AV - TL567.B3 E33 PY - 1931/// CY - Seattle PB - University of Washington KW - Aerodynamics KW - Vacuum-tubes ER -