Directions for making the best composition for the metals of reflecting telescopes; 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.
- Edwards, John, active 1781-1803.
- Date:
- 1783?]
- Books
- Online
Online resources
About this work
Publication/Creation
[London : s.n., 1783?]
Physical description
60p. ; 80.
Contributors
References note
ESTC T199387