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Description:

Flicker photometers are used to compare the intensity of two light sources. Ogden Nicolas Rood (1831-1902), professor of physics at Columbia University, invented the form in the 1890s. This example could be mounted on an optical bench. The inscription on the side reads “PL 3662A.”

Ref: O. N. Rood, “On a Flicker Photometer,” Science 7 (1898): 757-759.

Frank P. Whitman, “The Flicker Photometer,” Science 8 (1898): 11-13.

Location: Currently not on view

See more items in: Medicine and Science: Physical Sciences

Exhibition:

Exhibition Location:

Credit Line: University of Illinois

Data Source: National Museum of American History

Id Number: PH.334763Catalog Number: 334763Accession Number: 312091

Object Name: Flicker Photometer

Measurements: overall: 11 in x 7 3/8 in x 3 3/4 in; 27.94 cm x 18.7325 cm x 9.525 cm

Metadata Usage: CC0

Guid: http://n2t.net/ark:/65665/ng49ca746aa-1117-704b-e053-15f76fa0b4fa

Record Id: nmah_1167281

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