Original as in the ones that were in use in the late 80's, not a civvy one, an RAF one. Canvas holdall type, but with leather straps and a general "lived in" feel - not the crappy Felt-type ones with straps that should attach a windsurf board to the top of your car.
As for the rest of it, I'm afraid I fail, can't raise anything after "I have a compass corrector key to re-synch the API"
Thanks for any clues, pointers, substitutes (that's SUBstitutes), knitting patterns, ex-Navs who are 80+ with heart conditions all well received.