Edwards, J. (1783). 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. [publisher not identified].
Chicago Style (17th ed.) CitationEdwards, John. 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. [London]: [publisher not identified], 1783.
MLA (9th ed.) CitationEdwards, John. 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. [publisher not identified], 1783.