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1093 visits
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Scientific American 1887-07-02
1130 visits
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Scientific American 1887-07-09
1123 visits
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Scientific American 1887-07-16
1009 visits
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1121 visits
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Scientific American 1887-07-30
1136 visits
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Scientific American 1887-08-06
1101 visits
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Scientific American 1887-08-20
1124 visits
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Scientific American 1887-08-27
1210 visits
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Scientific American 1887-09-03
1069 visits
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Scientific American 1887-09-10
1092 visits
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Scientific American 1887-09-17
1033 visits
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Scientific American 1887-09-24
993 visits
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Scientific American 1887-10-01
1095 visits
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1035 visits
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Scientific American 1887-10-15
1148 visits
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Scientific American 1887-10-22
1129 visits
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Scientific American 1887-10-29
1243 visits
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Scientific American 1887-11-05
1052 visits
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Scientific American 1887-11-12
1113 visits
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Scientific American 1887-11-19
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Scientific American 1887-11-26
1187 visits
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Scientific American 1887-12-03
1077 visits
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Scientific American 1887-12-10
1290 visits
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Scientific American 1887-12-17
1150 visits
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Scientific American 1887-12-24
1037 visits
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Scientific American 1887-12-31
1172 visits
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Scientific American 1890-11-29
1277 visits
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Scientific American 1891-01-17
994 visits
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Scientific American 1891-01-24
1044 visits
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Scientific American 1891-01-31
1329 visits
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Scientific American 1891-02-07
934 visits
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Scientific American 1891-02-14
971 visits
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Scientific American 1891-02-21
1060 visits
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Scientific American 1891-02-28
1124 visits
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Scientific American 1891-03-07
1047 visits
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Scientific American 1891-03-14
930 visits
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Scientific American 1891-03-21
1208 visits
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Scientific American 1891-03-28
1285 visits
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Scientific American 1891-04-04
1206 visits
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1190 visits
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1469 visits
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Scientific American 1891-04-25
1101 visits
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Scientific American 1891-05-02
1502 visits
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Scientific American 1891-05-09
1434 visits
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Scientific American 1891-05-16
1199 visits
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Scientific American 1891-05-30
1416 visits
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Scientific American 1891-06-06
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Scientific American 1891-08-15
1302 visits
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1078 visits
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Scientific American 1891-08-29
1153 visits
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Scientific American 1891-09-05
1138 visits
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Scientific American 1891-09-12
1382 visits
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Scientific American 1891-09-19
1117 visits
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Scientific American 1891-09-26
1247 visits
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Scientific American 1891-10-03
1313 visits
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Scientific American 1891-10-10
1075 visits
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Scientific American 1891-10-17
1122 visits
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Scientific American 1891-10-24
1212 visits
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Scientific American 1891-10-31
1050 visits
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Scientific American 1891-11-07
959 visits
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Scientific American 1891-12-05
1078 visits
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Scientific American 1892-01-09
1230 visits
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Scientific American 1892-01-16
962 visits
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Scientific American 1892-01-23
1042 visits
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Scientific American 1892-01-30
1617 visits
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Scientific American 1892-02-06
1139 visits
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Scientific American 1892-02-13
1216 visits
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Scientific American 1892-02-20
1041 visits
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Scientific American 1892-02-27
1222 visits
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Scientific American 1892-03-05
1366 visits
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Scientific American 1892-03-12
1108 visits
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Scientific American 1892-03-19
1085 visits
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Scientific American 1892-03-26
1088 visits
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Scientific American 1892-04-02
1454 visits
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Scientific American 1892-04-09
1058 visits
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Scientific American 1892-04-16
1037 visits
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Scientific American 1892-04-23
1012 visits
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Scientific American 1892-04-30
1110 visits