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Scientific Apparatus
Diffraction grating, photo negative of Rutherfurd

Photo negative of a diffraction grating. Ruled by Lewis Rutherfurd in April 1873. Donated by Ward Whaling; he acquired it from Mt. Wilson Observatory, via Robert King. On display since 9-1-92. Maker: Lewis Rutherfurd.

ID: 1991-00048

Creation Apr. 1, 1873

MEDIUM: Glass; LENGTH: 2 x 2.5 inches; QUANTITY: 1

Topics: Astronomy, Spectroscopy

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