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Scientific American 1877-11-03
2099 visits
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Scientific American 1882-06-10
2236 visits
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Scientific American 1897-10-23
1454 visits
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Scientific American 1897-11-13
1483 visits
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Scientific American 1897-12-18
1413 visits
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Scientific American 1903-03-07
1564 visits
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Scientific American 1903-09-26
1307 visits
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Scientific American 1903-12-12a
1890 visits
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Scientific American 1919-06-14
2003 visits