Internet Horology Club 185
Military Ephemera

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March 15, 2009, 17:54
Larry Buchan
Military Ephemera
Hamilton advertisement from the 1940s National Geographic for the 4992B


March 16, 2009, 13:49
Larry Buchan
Hamilton Model 21 Chronometer


March 17, 2009, 10:56
Greg Crockett
Interesting info. It's the first time I have read about tanks being issued master navigation watches. If true, it might explain why the 1945 watch & clock repair manuel states that tank clocks would no longer be maintained.