Reflecting telescopes
On the Construction of a Silvered Glass Telescope
Fifteen and a half inches in aperture, and its use in celestial photography
New Edition of Hints on Silver-Glass Reflecting Telescopes Manufactured by Mr. G. Calver, F.R.A.S.
with Directions for Silvering, Adjusting, &c.
Category: Reflecting telescopes
Author: Calver George
Release Date: 2016-11-10
Date added: 27 March 2019
Count views: 253
