Rowland Diffraction Grating
Henry Rowland
1885
Box marked, "Absolute Wave, Grating III" "This is an original Rowland grating and was used by Dr. Louis Bell ('85) in measuring the wave length of sodium line 5896. For a very brief time the value of the wavelength was a world standard. The grating was used by Prof. Wm Rogers of Colby as a standard. It was acquired by me in 1898 and was brought here by me in 1899-1900" -G.F. Hull. It has 29000 spaces in four inches. For a further description of the # 3 grating see Louis Bell, "The Absolute Wavelength of Light" American Journal of Science, vol. XXXV, April 1888, p. 275.
Overall: 5/8 × 5 × 5 in. (1.6 × 12.7 × 12.7 cm)
Overall: 4 × 1 1/2 in. (10.2 × 3.8 cm)
Hood Museum of Art, Dartmouth: Allen King Collection of Scientific Instruments, Hood Museum of Art, Dartmouth College
2002.1.34521
Geography
Place Made: United States, North America
Period
19th century
Object Name
Scientific Instrument
Research Area
Scientific Instrument
Scientific Instrument: Optics
Not on view
Exhibition History
Illuminating Instruments: Studying Light at Dartmouth, Harrington Gallery, Hood Museum of Art, Dartmouth College, Hanover, New Hampshire, June 19-October 17, 2004.
Publication History
David Pantalony, Richard L. Kremer, Francis J. Manasek, Study, Measure, Experiment: Stories of Scientific Instruments at Dartmouth College, Norwich, Vermont: Terra Nova Press, 2005, p. 95, ill.
Provenance
Purchased by Professor Gordon Ferrier Hull (1870-1956), Physics Department, Dartmouth College, 1899-1900; catalogued into the Allen King Collection of Scientific Instruments, 2002.
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