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Reflecting telescopes

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Cover of New Edition of Hints on Silver-Glass Reflecting Telescopes Manufactured by Mr. G. Calver, F.R.A.S.: with Directions for Silvering, Adjusting, &c.

New Edition of Hints on Silver-Glass Reflecting Telescopes Manufactured by Mr. G. Calver, F.R.A.S.: with Directions for Silvering, Adjusting, &c.

George Calver

2.3
Cover of On the Construction of a Silvered Glass Telescope: Fifteen and a half inches in aperture, and its use in celestial photography

On the Construction of a Silvered Glass Telescope: Fifteen and a half inches in aperture, and its use in celestial photography

Henry Draper

4.1