On the Construction of a Silvered Glass Telescope
by Henry Draper
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Language: English
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About this eBook
- Author
- Draper, Henry, 1837-1882
- Title
- On the Construction of a Silvered Glass Telescope Fifteen and a half inches in aperture, and its use in celestial photography
- Credits
- Produced by Thiers Halliwell, Chris Curnow and the Online Distributed Proofreading Team at www.pgdp.net (This file was produced from images generously made available by The Internet Archive)
- Language
- English
- LoC Class
- QB: Science: Astronomy
- Subject
- Reflecting telescopes
- Category
- Text
- Project Gutenberg
- eBook-No. 53542
- Release Date
- November 17, 2016
- Copyright
- Public domain in the USA.
Contents
- 1.On the Construction of a Silvered Glass Telescope
- 2.CONTENTS.
- 3.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. — §2. THE TELESCOPE MOUNTING. — §3. THE CLOCK MOVEMENT. — §4. THE OBSERVATORY. — §5. THE PHOTOGRAPHIC LABORATORY. — §6. THE PHOTOGRAPHIC ENLARGER. — FOOTNOTES:
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