Prototype Taylor model A brightness meter
date: label: date made
content: 1941
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: Designed by A. Hadley Taylor. A meter for measuring the brightness of a light source. Includes a GE type DW-40 DC voltmeter, model 8 DW 40 Var 2. Calibration sheet dated 9/31/[19]51 - "Voltage settings must be made with face of meter horizontal." Wooden case with meter and adjusting dial on front, port with glass screen on one end. This may be a prototype. References: Matthew Luckiesh and A. H. Taylor, "A Brightness Meter," Journal of the Optical Society of America 27, 132-132 (1937), https://opg.optica.org/josa/abstract.cfm?URI=josa-27-3-132; Matthew Luckiesh and Frank K. Moss, "A Simple Brightness Meter," Journal of the Optical Society of America 27, 292-293 (1937), https://opg.optica.org/josa/abstract.cfm?URI=josa-27-8-292; A. H. Taylor, "A Low Brightness Meter," Journal of the Optical Society of America 31, (1941): pages 738-739, https://opg.optica.org/josa/abstract.cfm?URI=josa-31-12-738; Taylor, A. Hadley. "Brightness and brightness meters." Illuminating Engineering 37 (1942): pages 19-30.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: Gift of GE Lighting, A Savant Company, through Gerald Duffy
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2023.0016.02
label: accession number
content: 2023.0016
label: catalog number
content: 2023.0016.02
objectType: label: Object Name
content: light meter
physicalDescription: label: Measurements
content: overall: 4 in x 11 3/4 in x 4 3/4 in; 10.16 cm x 29.845 cm x 12.065 cm