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- Author(s):
- Harkness, William, 1837-1903, author
- Publication:
- [New Haven?] : [publisher not identified], [1879?]
- Subject(s):
- Telescopes
Optical Phenomena
- Author(s):
- Knapp, Herman, 1832-1911
- Publication:
- [New York? : s.n., 1886?]
- Subject(s):
- Optical Phenomena
Terminology as Topic
- Author(s):
- Fenner, C. S. (Christopher Smith), 1823-1879, author
- Publication:
- Philadelphia : P. Blakiston, Son & Co., 1883
- Subject(s):
- Refractive Errors
Optical Phenomena
- Author(s):
- Harkness, William, 1837-1903, author
- Publication:
- [New Haven?] : [publisher not identified], [1880?]
- Subject(s):
- Telescopes
Optical Phenomena
- Publication:
- Philadelphia, Pa., U.S.A. : Published by The Keystone, 1899
- Subject(s):
- Retinoscopy
Optical Phenomena