TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
DisclaimerSubmit a tube

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.