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Scientific American 1882-11-04
1238 visits
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Scientific American 1882-12-02
1313 visits
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Scientific American 1891-10-31
1177 visits
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Scientific American 1893-03-18
1381 visits
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Scientific American 1894-06-09
1294 visits
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Scientific American 1897-01-09
1113 visits
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Scientific American 1897-12-25
1271 visits
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Scientific American 1917-03-10
1243 visits
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Scientific American 1931-04
2073 visits
