- Scientific American 1894-02-17 1132 visits
- Scientific American 1894-03-03 1160 visits
- Scientific American 1894-03-24 1165 visits
- Scientific American 1894-03-31 1213 visits
- Scientific American 1894-04-21 1147 visits
- Scientific American 1894-04-28 1207 visits
- Scientific American 1894-05-12 1236 visits
- Scientific American 1894-05-19 1161 visits
- Scientific American 1894-09-08 1174 visits
- Scientific American 1894-09-15 1200 visits
- Scientific American 1894-10-27 1149 visits
- Scientific American 1897-09-18 1515 visits
- Scientific American 1899-10-21 1075 visits
- Scientific American 1902-01-11 1210 visits
- Scientific American 1902-01-25 1231 visits
- Scientific American 1902-05-03 1098 visits
- Scientific American 1903-01-17 1288 visits
- Scientific American 1903-07-18 1051 visits
- Scientific American 1903-12-19 1283 visits
- Scientific American 1907-09-21 1180 visits
- Scientific American 1913-02-15 1091 visits
- Scientific American 1913-07-26 1811 visits