Numbers stamped on Air Ministry ACME WWII whistle

Discussion in 'WWII' started by thor, Feb 24, 2020.

  1. thor

    thor One Too Many

    NYC, NY
    7D9B9A27-05CE-44AA-9806-58E2F079FC84.jpeg 6E707699-0B89-46B6-B8D7-13FC08FBE67B.jpeg
    Does anyone here know what the numbers stamped on a WWII Acme Thunderer whistle mean? A. M. is the British Air Ministry, but I’m not sure if the numbers have any meaning?
    Thanks in advance.

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