Home
Random
Log in
Settings
Donate
About Wikisource
Disclaimers
Search
Page
:
Popular Science Monthly Volume 86.djvu/224
Previous page
Next page
Page
Discussion
Image
Index
Language
Watch
Edit
This page has been
validated
.
220
THE POPULAR SCIENCE MONTHLY
Present State of Building for Housing the 100-inch Reflector, Mount Wilson Solar Observatory.
The Glass Disc for the 100-inch Mirror,
in the Pasadena Laboratory of the Mount Wilson Solar Observatory.