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1137 visits
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1161 visits
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1060 visits
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1156 visits
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1106 visits
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1221 visits
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1184 visits
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Scientific American 1887-10-29
1307 visits
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1123 visits
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Scientific American 1887-11-12
1189 visits
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1098 visits
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Scientific American 1887-11-26
1243 visits
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Scientific American 1887-12-10
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Scientific American 1887-12-17
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Scientific American 1887-12-24
1128 visits
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Scientific American 1887-12-31
1246 visits
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Scientific American 1890-11-29
1420 visits
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Scientific American 1891-01-17
1191 visits
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Scientific American 1891-01-24
1168 visits
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Scientific American 1891-01-31
1491 visits
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Scientific American 1891-02-07
1014 visits
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Scientific American 1891-02-14
1076 visits
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Scientific American 1891-02-21
1233 visits
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Scientific American 1891-02-28
1242 visits
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Scientific American 1891-03-07
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Scientific American 1891-03-14
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Scientific American 1891-03-21
1358 visits
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Scientific American 1891-03-28
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Scientific American 1891-04-04
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Scientific American 1891-04-11
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Scientific American 1891-04-18
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Scientific American 1891-04-25
1164 visits
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Scientific American 1891-05-02
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Scientific American 1891-05-09
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Scientific American 1891-05-16
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Scientific American 1891-05-30
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Scientific American 1891-06-06
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Scientific American 1891-06-13
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Scientific American 1891-08-15
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Scientific American 1891-08-22
1191 visits
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Scientific American 1891-08-29
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Scientific American 1891-09-05
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Scientific American 1891-09-12
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Scientific American 1891-09-19
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Scientific American 1891-09-26
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Scientific American 1891-10-03
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Scientific American 1891-10-10
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Scientific American 1891-10-17
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Scientific American 1891-10-24
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Scientific American 1891-10-31
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Scientific American 1891-11-07
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Scientific American 1891-12-05
1231 visits
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Scientific American 1892-01-09
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Scientific American 1892-01-16
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Scientific American 1892-01-30
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Scientific American 1892-03-05
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Scientific American 1892-03-12
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Scientific American 1892-03-19
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Scientific American 1892-03-26
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Scientific American 1892-04-02
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Scientific American 1892-04-09
1217 visits
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Scientific American 1892-04-16
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Scientific American 1892-04-23
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Scientific American 1892-04-30
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Scientific American 1892-05-07
1195 visits
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Scientific American 1892-05-14
1191 visits
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Scientific American 1892-05-21
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Scientific American 1892-05-28
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Scientific American 1892-06-04
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Scientific American 1892-06-11
1206 visits
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Scientific American 1892-06-18
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Scientific American 1892-06-25
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Scientific American 1893-01-07
1489 visits