Vacuum tube amplifiers for audio-frequency currents
By: by Walter Joseph Creamer.
Series: University of Maine studies. Second series,; no. 10
Publisher: The University press
Published: 1927
Place of publication: Orono, Me
Language: eng
Number of pages: 46
Subjects: Amplifiers, Vacuum-tube.; Radio.
Notes: Bibliography: p. 45-46.
On cover: The  Maine bulletin. Vol. XXX, no. 6  October, 1927.