On the Construction of a Sivered Glass Telescope
Fifteen and a half inches in aperture and its use in
celestial photography
Free
Description
Contents
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Language
English
ISBN
Unknown
On the Construction of a Silvered Glass Telescope
CONTENTS.
AN ACCOUNT OF THE CONSTRUCTION AND USE OF A SILVERED GLASS TELESCOPE.
§1. GRINDING AND POLISHING THE MIRRORS.
(1.) Experiments on a Metal Speculum.
(2.) Silvering Glass.
(3.) Grinding and Polishing Glass.
(4.) Eye-Pieces, Plane Mirrors and Test Objects.
(1.) Experiments on a Metal Speculum.
(2.) Silvering Glass.
(3.) Grinding and Polishing Glass.
(4.) Eye-Pieces, Plane Mirrors and Test Objects.
§2. THE TELESCOPE MOUNTING.
§3. THE CLOCK MOVEMENT.
§4. THE OBSERVATORY.
§5. THE PHOTOGRAPHIC LABORATORY.
§6. THE PHOTOGRAPHIC ENLARGER.
FOOTNOTES:
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