Flicker Photometer
notes: label: Description
content: 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.”
label: Description
content: Ref: O. N. Rood, “On a Flicker Photometer,” <i>Science</i> 7 (1898): 757-759.
label: Description
content: Frank P. Whitman, “The Flicker Photometer,” <i>Science</i> 8 (1898): 11-13.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: University of Illinois
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.334763
label: catalog number
content: 334763
label: accession number
content: 312091
objectType: label: Object Name
content: Flicker Photometer
physicalDescription: label: Measurements
content: overall: 11 in x 7 3/8 in x 3 3/4 in; 27.94 cm x 18.7325 cm x 9.525 cm