Some Interesting Transformers
from the early days of Radio
John Firth & Co. INC audio. Radios made by John are VERY rare, I've
only seen one or 2 in almost 40 years of collecting.
This company, Pearl Co.  I know nothing about.
The vertical style is unusual.
Sign InView Entries
If you can provide any info on these, please sign the guest book.
National Transformer MFG CO.
Jefferson, Chicago.
ACME
(Wile E. Coyote used these in his radios)
Marle
Amertran
Radiola
Has early RC logo
All-AMERICAN