On the construction of a silvered glass telescope, fifteen and a half inches in aperture, and its use in celestial photography.
By Henry Draper ...
- [Washington, Smithsonian institution, 1864]
- 2 p.l., 55 p. illus., diagrs. 33 cm.
- Smithsonian contributions to knowledge. [vol. XIV, art. 4] .
- Smithsonian contributions to knowledge ; v. 14, art. 4. Smithsonian publication ; 180. .