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Signal light with a F on the lens http://www.rypn.org/forums/viewtopic.php?f=1&t=47711 |
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Author: | Mikechoochoo [ Mon Oct 30, 2023 6:04 pm ] |
Post subject: | Signal light with a F on the lens |
I recently acquired an Adlake 1142 electric signal light. That model appears to have been designed to be used in semaphores replacing oil lamps. Mine had a different use, it has a lens with an F on it. The only use I can find for an F is to signal that a rockslide detector has tripped. Have any of you heard of any other uses for such a signal? |
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