- Scientific American 1903-12-12a 1465 visits
- Scientific American 1903-09-26 1016 visits
- Scientific American 1903-03-07 1170 visits
- Scientific American 1897-12-18 1148 visits
- Scientific American 1897-11-13 1183 visits
- Scientific American 1897-10-23 1120 visits
- Scientific American 1882-06-10 1798 visits
- Scientific American 1877-11-03 1633 visits
- Scientific American 1919-06-14 1391 visits