William Donzelli wrote: >>They are all standard 2.5 inch Westinghouse black-faced meters. > They ought to have Navy type numbers, and that will tell all. Aw - ok, FWIW. 0-15 ma type CAY-22135A 0-100 ma CAY-22058A 0-300 ma CAY-22238A 0-5 Amp. rf CAY-22026A 0-9 Amp. rf CAY-22239A 0-150/0-15 vac CAY-22330 Richard Brunner, AA1P