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| Newer page: | version 111 | Last edited on 2 July 2009 3:32 | by harold | Revert |
| Older page: | version 110 | Last edited on 2 July 2009 3:32 | by harold | Revert |
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version 111
General Radio
General Radio Historical Society - See, especially catalogs and bulletins which has stuff back to 1916
*WMRA collection of photos of GR equipment.
Catalog 919 - Early catalog of Quality Radio Apparatus- Bulletin 931 catalog of Quality Apparatus. 1928
- 1606-A RF Bridge. Scanned by Fred Greaves Jr. 49MB.
1931-A Modulation Monitor
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Inside
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