Jefferson Radio Transformers and Chokes
Catalog no. 391-R
June 1, 1939
(canceling catalog of Aug. 30, 1938)
Auto * Audio * Chokes * Driver * Filament * Microphone * Modulation
Output * Plate * Power * Push Pull * Speaker * Television
Jefferson Electric Company
Bellwood Illinois
15 Mb pdf
16 p.
http://home.fnal.gov/~atkinson/jefferson.pdf