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Popular Mechanics 1922-05
1459 visits
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Scientific American 1891-03-21
1390 visits
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Scientific American 1893-06-10
1200 visits
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Scientific American 1894-07-07
1109 visits
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Scientific American 1894-12-29
1087 visits
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Scientific American 1897-11-27
1079 visits
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Scientific American 1903-02-21
1352 visits
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Scientific American 1903-04-18
1038 visits
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Scientific American 1903-07-11
1148 visits
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Scientific American 1903-11-28
1079 visits
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Scientific American 1917-03-10
1243 visits
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Scientific American 1920-08-21
1333 visits
