Explorer Scouts (Post 156, Clearfield Utah) with signal mirrors at the peak of Mt. Timpanogos, 1964. The scout at center is wearing a military issue 3"x5" "Mirror, Mark 3, emergency signaling" with retroreflective mesh aimer. Likely a MIL-M-18371B version or earlier. The double-sided large improvised signal mirrors were patterned after the ESM/1 emergency signal mirror that Glannin Cloward carried as a B-25 pilot in WWII. Any use of this photograph must include the attribution "Photo by Glannin A. Cloward"
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John A. Cloward, who is the copyright holder of these photos taken by his father, Glannin A. Cloward (deceased)
Any use of this photograph must include the attribution "Photo by Glannin A. Cloward"
Grafitti covered 'shack' in the background was erected at the peak of Mt Timpanogos by the U.S. Geological Survey. In addition to providing shelter for hikers it is used to measure movement of the mountain.
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US military issue 3"x5" "Mirror, Mark 3, emergency signaling" with retroreflective mesh aimer. Likely a MIL-M-18371B version or earlier. See the Wikimedia category: http://commons.wikimedia.org/wiki/Category:Signalling_mirrors for similar examples.
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These double-sided large improvised signal mirrors were patterned after the emergency signal mirror that Glannin Cloward carried as a B-25 pilot in WWII. The WWII training film for such mirrors is on YouTube here: https://www.youtube.com/watch?v=vmnRrCVBaP0
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