[Milsurplus] BC-347-A Interphone question

[John Hutchins]

I am shooting for bending holes when forming rectangle boxes SOP for 
metal work

On 2/8/2019 8:00 PM, Michael Bittner wrote:
> Weep holes for condensation?
> Uses 6F8G dual triode tube.  Good for Twinplex regen rcvr?
> Mike, W6MAB
>
>     ----- Original Message -----
>     *From:* Hubert Miller <mailto:kargo_cult at msn.com>
>     *To:* milsurplus at qth.net <mailto: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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