warpath Posted July 28, 2017 Share #1 Posted July 28, 2017 General Electric Signaling Mirror in its issue box Link to comment Share on other sites More sharing options...
Steve B. Posted July 29, 2017 Share #2 Posted July 29, 2017 I have the identical mirror and box. It was my Father's from when he was in the USAF in the early-mid 1950s. Great item! Link to comment Share on other sites More sharing options...
heliographer Posted July 31, 2017 Share #3 Posted July 31, 2017 There's a lot of good information about this ESM/I signal mirror on Dustin's thread on this forum about the development of US military signal mirrors in WWII: http://www.usmilitariaforum.com/forums/index.php?/topic/2412-wwii-emergency-signal-mirror/ The 1943 training film for this mirror (produced by the OSS[1]) is on YouTube, here: The best single reference on the development of US military signal mirrors in WWII is this article: "Heliographic signaling mirrors", R.S. Hunter, NBS, in Air-Sea rescue bulletin, US Coast Guard, publisher, v3 March 1946, https://babel.hathitrust.org/cgi/pt?id=mdp.39015010566720;view=1up;seq=130 This ESM/I signal mirror was invented by Larry L. Young of the Bureau of Standards and , in response to https://www.google.com/patents/US2395605 The mirrors themselves are pretty common - there are 7 currently up for sale on Ebay. The boxes (less durable), less so, though I have several. [1] Backstory of the training film is here: http://forums.equipped.org/ubbthreads.php?ubb=showflat&Number=205295 Link to comment Share on other sites More sharing options...
LBG1943 Posted July 4, 2022 Share #4 Posted July 4, 2022 I acquired an esm/1 & googled the address, an empty lot in warren. i wonder abouth the people who worked there. Link to comment Share on other sites More sharing options...
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