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.
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!
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 ,16, Special Xfmrs
"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
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
Audio Transformers, By E. F. KIERNAN,* W6EOO From RADIO Magazine, December 1937