I-137

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Signal generator

I-137.jpg

References

  • TM 11-2641 Signal Generator I-137-B (W.I.T. Model 43-41). War Dept. Jan. 1945. 43 p. U408.3.A13 TM 11-2641 Jan. 1945,

Adobe PDF icon.png TM 11-2641 1945