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0-9
Reflecting telescopes
(2)
On the Construction of a Silvered Glass Telescope : Fifteen and a half inches in aperture, and its use in celestial photography [electronic resource] / Henry Draper
New Edition of Hints on Silver-Glass Reflecting Telescopes Manufactured by Mr. G. Calver, F.R.A.S. : with Directions for Silvering, Adjusting, &c. [electronic resource] / George Calver
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