[Milsurplus] BC-347-A Interphone question

[Michael Bittner]

Weep holes for condensation?

Uses 6F8G dual triode tube.  Good for Twinplex regen rcvr?

Mike, W6MAB

  ----- Original Message ----- 
  From: Hubert Miller 
  To: milsurplus at qth.net 
  Sent: Friday, February 08, 2019 17:03
  Subject: [Milsurplus] BC-347-A Interphone question


  I was looking at a new unissued, in original packing BC-347-A interphone amplifier. 
  Looking at the back side, I see in each of four corners, but not rigorously in the same exact position for each corner, a wire-sized hole. 

  The first time I noted this, on a used BC-347-A, I thought, aha, someone wanted to run wires into it, for a ham hack.

  But this new one has the same.

  What are these holes about ? They are ungrommeted, so any wire transiting would be abraded.

  thanks-

  Hue 



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