Here are two Alvan Clark telescopes. One is a 4" f/15 on a #5 mount that dates to 1919. The other is a 3" f/15. The tube dates about 1905 and the mount is a special #3 that attaches with a T-bolt and dates to 1915. Terra, these are on the top of my list if I could keep more than two scopes.
Edited by Dan /schechter, 19 March 2020 - 05:52 PM.