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- Author(s):
- Rood, Ogden N. (Ogden Nicholas), 1831-1902, author
- Publication:
- [New Haven?] : [publisher not identified], [1878?]
- Subject(s):
- Photometry
Color
- Author(s):
- Langley, S. P. (Samuel Pierpont), 1834-1906, author
Very, Frank W. (Frank Washington), 1852-1927, author
- Publication:
- [New Haven?] : [publisher not identified], [1890?]
- Subject(s):
- Luminescent Measurements
Photometry
Fireflies
- Author(s):
- Langley, S. P. (Samuel Pierpont), 1834-1906, author
- Publication:
- [New Haven?] : [publisher not identified], [1888?]
- Subject(s):
- Light
Photometry
Vision, Ocular