Acoustic locators in Japan in the 1930s, intended to detect and track incoming bombers before the widespread use of radar. Here’s the Japanese emperor Horohito checking out the AA guns intended to be used in conjunction with the sound locators.
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geofferino reblogged this from youmightfindyourself and added:
Really surprised...discover this photo ain’t a shoop. I’ve always been intrigued by it.
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onomatopoesie reblogged this from youmightfindyourself and added:
Pretty interesting.
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