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Clapp-Eastham Receivers -1922A
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Vast amounts of technical data in this ad, along with a note about its being built under the Armstrong patents. Ad for Clapp-Eastham Receivers, from the May 1922 issue of QST
Artist:
Source: Magazine collector Steve Davis
Restoration by: Michael Ward
- Created on
- Saturday 19 July 2008
- Posted on
- Saturday 19 July 2008
- Tags
- Edwin Armstrong, invention
- Visits
- 1973