History of the manufacturer
Harper Radio Laboratory; Chicago (IL)
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Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
| Name: | Harper Radio Laboratory; Chicago (IL) (USA) |
| Abbreviation: | harperrad |
| Summary: |
Harper Radio Laboratory, Chicago, Illinois. |
| History: |
1925: William Harper was the secretary of the vice-chairman of the Chicago-section of the New-Yorker 'THE INSTITUTE OF RADIO ENGINEERS, INC.', Mr. J. T. Tykociner.
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This manufacturer was suggested by Georg Richter.
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 22 | Armstrong Super-Regenerative Receiving Set | Armstrong Super-Regenerative Receiving Set. |
[rmxhdet-en]
| Data Compliance | More Information |