The four element tube as an audio amplifier,
Eastman, Austin Vitruvius, 1902-1982.
The four element tube as an audio amplifier, by Austin-Vitruvius Eastman ... - Seattle, The University of Washington, 1930. - 29 p. diagrs. 23 cm. - Washington (State) University. Engineering Experiment Station. Engineering Experiment Station series. Bulletin no. 53 .
gs 30000123
Radio.
TK6565.A55 / E3
The four element tube as an audio amplifier, by Austin-Vitruvius Eastman ... - Seattle, The University of Washington, 1930. - 29 p. diagrs. 23 cm. - Washington (State) University. Engineering Experiment Station. Engineering Experiment Station series. Bulletin no. 53 .
gs 30000123
Radio.
TK6565.A55 / E3