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Scientific American 1887-07-16
1220 visits
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Scientific American 1887-07-23
1327 visits
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Scientific American 1887-07-30
1335 visits
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Scientific American 1887-08-06
1299 visits
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Scientific American 1887-08-20
1335 visits
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Scientific American 1887-08-27
1395 visits
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Scientific American 1887-09-03
1248 visits
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Scientific American 1887-09-10
1450 visits
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Scientific American 1887-09-17
1202 visits
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Scientific American 1887-09-24
1158 visits
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Scientific American 1887-10-01
1257 visits
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Scientific American 1887-10-08
1212 visits
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Scientific American 1887-10-15
1327 visits
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Scientific American 1887-10-22
1268 visits
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Scientific American 1887-10-29
1401 visits
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Scientific American 1887-11-05
1228 visits
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Scientific American 1887-11-12
1282 visits
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Scientific American 1887-11-19
1187 visits
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Scientific American 1887-11-26
1322 visits
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Scientific American 1887-12-03
1235 visits
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Scientific American 1887-12-10
1457 visits
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Scientific American 1887-12-17
1317 visits
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Scientific American 1887-12-24
1228 visits
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Scientific American 1887-12-31
1341 visits
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Scientific American 1890-11-29
1844 visits
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Scientific American 1891-01-17
1851 visits
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Scientific American 1891-01-24
1498 visits
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Scientific American 1891-01-31
2007 visits
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Scientific American 1891-02-07
1196 visits
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Scientific American 1891-02-14
1269 visits
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Scientific American 1891-02-21
1803 visits
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Scientific American 1891-02-28
1500 visits
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Scientific American 1891-03-07
1673 visits
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Scientific American 1891-03-14
1302 visits
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Scientific American 1891-03-21
1795 visits
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Scientific American 1891-03-28
1674 visits
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Scientific American 1891-04-04
2154 visits
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Scientific American 1891-04-11
1623 visits
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Scientific American 1891-04-18
1917 visits
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Scientific American 1891-04-25
1266 visits
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Scientific American 1891-05-02
1667 visits
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Scientific American 1891-05-09
1592 visits
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Scientific American 1891-05-16
1719 visits
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Scientific American 1891-05-30
1735 visits
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Scientific American 1891-06-06
1333 visits
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Scientific American 1891-06-13
1626 visits
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Scientific American 1891-08-15
1655 visits
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Scientific American 1891-08-22
1506 visits
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Scientific American 1891-08-29
1566 visits
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Scientific American 1891-09-05
1310 visits
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Scientific American 1891-09-12
1620 visits
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Scientific American 1891-09-19
1331 visits
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Scientific American 1891-09-26
1679 visits
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Scientific American 1891-10-03
1594 visits
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Scientific American 1891-10-10
1634 visits
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Scientific American 1891-10-17
1613 visits
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Scientific American 1891-10-24
1746 visits
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Scientific American 1891-10-31
1452 visits
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Scientific American 1891-11-07
1248 visits
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Scientific American 1891-12-05
1759 visits
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Scientific American 1892-01-09
1506 visits
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Scientific American 1892-01-16
1385 visits
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Scientific American 1892-01-23
1493 visits
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Scientific American 1892-01-30
2129 visits
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Scientific American 1892-02-06
1855 visits
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Scientific American 1892-02-13
1561 visits
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Scientific American 1892-02-20
1555 visits
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Scientific American 1892-02-27
1500 visits
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Scientific American 1892-03-05
1663 visits
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Scientific American 1892-03-12
1723 visits
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Scientific American 1892-03-19
1322 visits
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Scientific American 1892-03-26
1439 visits
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Scientific American 1892-04-02
1836 visits
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Scientific American 1892-04-09
1560 visits
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Scientific American 1892-04-16
1620 visits
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Scientific American 1892-04-23
1732 visits
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Scientific American 1892-04-30
1263 visits
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Scientific American 1892-05-07
1689 visits
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Scientific American 1892-05-14
1577 visits
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Scientific American 1892-05-21
1285 visits