Carl Sagan's Porsche at the University of Arizona - Al-Paslow
The dome of the 4 inch "James Refractor". This ia actually a 4 inch Alvin Clark Telescope!!
I used the instument  quite  number of times and can attest the quality of the beautiful images viewed in this instrument!

The dome of the 4 inch "James Refractor". This ia actually a 4 inch Alvin Clark Telescope!!
I used the instument quite number of times and can attest the quality of the beautiful images viewed in this instrument!

JamesrefractorAlvinClark