1958 Cave 10 inch f-7 Telescope - Al-Paslow
This is the elliptical diagonal mirror that is original to the scope.

I looked pretty hard for pencil marks or other signs of information written or etched on the back, but found none.

This is the elliptical diagonal mirror that is original to the scope.

I looked pretty hard for pencil marks or other signs of information written or etched on the back, but found none.

cavemirrors022