Online Catalogs and Other Technical Publications

Another endeavor to provide online vintage Catalogs and
Publications. Be patient, the scanning takes time!

Please feel free to submit technical info for the page.

Depending on your browser you may be able to magnify the On-Screen info.

 


United Transformer Corporation Varimatch Transformers - 1938?
(Sized for printing on 8 1/2 x 11 inch paper, images are 200K+ to preserve detail)
Images may take a while to load, so be patient!

  1. Front Cover (Page 1)
  2. Page 2
  3. Page 3
  4. Page 4
  5. Page 5
  6. Page 6
  7. Page 7
  8. Back Cover
United Transformer Corporation Varimatch Transformers - submitted by Jim AB0EZ - PDF file

Thordarson Electric Mfg. Co. Complete Transformer Catalog #400, about 1937
(Sized for printing on 8 1/2 x 11 inch paper, images are 200K+ to preserve detail) Depending on your browser you may be able to magnify the On-Screen info.
 

Front Cover, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 ,15 ,16Special Xfmrs

Foundation Units    1 2 3 4


"Television and Short-Wave World" (from England), December 1938
Review of the Hallicrafters HT-1 transmitter.


Standard Transformer Corp. Amateur Transmitter Circuits, Second Ed., 1937

Page 1 , Page 2

 


Taylor Tubes, Catalog and Manual - 1937-1938

Looking for info - - - Do you have any ?


Raytheon Production Corp. R-F Operation of Screen-Grid Tubes, March 1936

Looking for info - - - Do you have any ?

 


World Radio Labs, A tribute to Leo by W5AMI

WRL


Audio Transformers, By E. F. KIERNAN,* W6EOO From RADIO Magazine, December 1937

Audio Transformer Characteristics

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