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Tube Database (7,341 tube types · 1,270 archive entries)

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Test instrument record

Signal Corps I-177

I-177

Simpson

Archive ID
hpx0zcw2
Year
1945
Type
Dynamic Mutual Conductance
Special Use
Military
Model
I-177
Country
USA
City
Chicago, IL
Brands

Signal Corps I-177 tester details

Simpson
Brand Extended
Simpson Electric Co.