Description and operation of audio-frequency amplifier unit for simple radio receiving outfits.

Bibliographic Details

Format:	Government Document eBook
Language:	English
Published:	[Washington?] : U.S. Government Printing Office, 1923.
Series:	Standards Bur. Circ. No. 141
Subjects:	Audio amplifiers. Electronic books.
Online Access:	Connect to the full text of this electronic document