Re: Is this a Rebecca unit ?
I don't agree that this Test Set is for Rebecca Mk2, it is referenced in A.P.2914Y, A.R.I.5610, Rebecca Mk4.
Rebecca Mk2 uses the typical construction methods of WW2-era equipment, prior to the introduction of cylindrical sealed housings as used in the Rebecca Mk4 Transmitter/Receiver airborne unit.
Why this Test Set also used a cylindrical housing I don't know, perhaps for commonality, but this was then housed in a rectangular framework/case, presumably to stop it rolling about on the test-bench!
The A.P. for Rebecca Mk2 lists the applicable Test Equipment, I could extract the details if anyone is interested.
The A.P. for Mk4 makes no mention of demolition charges, wartime experience showed that they were more trouble than they were worth in IFF, Gee and H2S units - to be big enough to successfully destroy the equipment would be big enough to bring the aircraft down, and inadvertent operation occurred far too frequently, so they were deleted before the end of the war.
Andy
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