Page:Popular Science Monthly Volume 88.djvu/283

This page needs to be proofread.

Popidar Science Monthly

��255

��A

�� i^

��• \

��il

��\Al % ^

�� U^^

��:^

��

This article is issued from Wikisource. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.