1661-A: Difference between revisions
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==Links== | ==Links== | ||
* [[Media:GR 1661-A Vacuum-Tube Bridge 307-L 03_1959.pdf|General Radio 1661-A Vacuum-Tube Bridge Manual 307-L 1959]] | |||
==Photos== | ==Photos== | ||
Latest revision as of 04:21, 3 July 2024
Type 1661-A Vacuum-Tube Bridge.