[Milsurplus] Odd Control Box Info Needed

[J Forster]

>      Here is a bit more information on the Station Box:
>
>      It has, from top to bottom:
>
>        Two pilot lights:  "CALL": & "LIAISON TRANS. ON"
>        A pot marked "INCREASE OUTPUT"
>        A 5 position rotary switch: "COMPASS":, "LIAISON",
>      "COMMAND", "INTER.", "CALL"
>        A push button marked "CALL":
>        A toggle switch w/ a metal plate to keep it from being
>      moved.
>        A "MIC" and a "TEL" 1/4" phone jack.
>
>      There is also a 19 pin M Cannon connector and three
>      grommeted holes for drop cords.
>
>      It's clearly an intercom control box for a fairly large
>      plane with both COMMAND and LIAISON radios. It was made by
>      Bendix in N. Hollywood, California.
>
>      Best,
>      -John
>
>      ==========
>
>      At a flea today, I picked up a Bendix Aviation Station Box
>      Type MI-22A. It's not one I recognize and Google is not
>      really helpful.  It also has British Air Ministry markings.
>
>      Does anyone have any info on it? What sets was it used with?
>
>      Thanks,
>      -John
>
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