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This is one of the methods used before the WW2 to detect the planes arrival. It was before the microwave Radar invention. But normally the "ears" were much bigger. This model seems a "mobile" plane detector.
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This is one of the methods used before the WW2 to detect the planes arrival. It was before the microwave Radar invention. But normally the "ears" were much bigger. This model seems a "mobile" plane detector.
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This is one of the methods used before the WW2 to detect the planes arrival. It was before the microwave Radar invention. But normally the "ears" were much bigger. This model seems a "mobile" plane detector.
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its for hearing oncoming airplanes
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His mother told him to stop licking his stitches.
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Antique hearing-aids
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the white version of barack obama
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Where can I buy these?
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While in college other students often made fun of Barack's ears
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-oto- Got style?
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We can hear everything now! :) This is fantastic new technoligy! OMG I just heard somebody fart!!!!!!!!!! EEEEEEEEEEEEEPPPPPP!
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Ernest, Ernest with ears so wide.
They looked like pancakes set side by side.
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Shhhh....I can hear them
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The real RADIOHEAD
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Jeez...i wonder what hearing aids looked like decades before this!!
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