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Scientific American 1877-11-03
1476 visits
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Scientific American 1882-06-10
1728 visits
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Scientific American 1897-10-23
1050 visits
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Scientific American 1897-11-13
1102 visits
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Scientific American 1897-12-18
1091 visits
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Scientific American 1903-03-07
1090 visits
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Scientific American 1903-09-26
964 visits
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Scientific American 1903-12-12a
1372 visits
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Scientific American 1919-06-14
1269 visits