New Edition of Hints on Silver-Glass Reflecting Telescopes Manufactured by Mr. G. Calver, F.R.A.S. with Directions for Silvering, Adjusting, &c.
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| Format: | Book |
| Language: | Undetermined |
| Published: |
11/10/16
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| Online Access: | https://www.gutenberg.org/ebooks/53494 |
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