Directions for making the best composition for the metals of reflecting telescopes
| Publication Date | 1783 |
|---|---|
| Remainder | And the method of casting, grinding, polishing, and giving them the true parabolic figure. By the Rev'd John Edwards, B.A. Published by order of the Commissioners of longitude |
| Extent | 60p. |
| Location | London |
| Publisher | s.n |
Author(s)
Wed Dec 06 02:07:43 CST 2023