interestingasfuck

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interestingasfuck

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submitted 5 months ago by Wilshire@sh.itjust.works to c/interestingasfuck@lemmy.world

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[–] peanuts4life@lemmy.blahaj.zone 13 points 5 months ago

I could be entirely wrong about this, as it's a dim memory, but I think this sort of device was used as a pilot teaching tool in WWII.