Radiation Meter
date: label: Date made
content: 1940s?
name: label: maker
content: Fred C. Henson Company
notes: label: Description
content: The inscription on a metal plate of this radiation meter reads: "QUART FIBER / ELECTROSCOPE / PAT. NO. 2022117 / MODEL 2 SER. NO. 41 / FRED C. HENSON CO. / PASADENA, CALIF., U.S.A." The form was designed in the 1930s by Charles Christian Lauritsen (1892-1968), a Danish-American physicist on the faculty of the California Instrument of Technology, and his son, Thomas Lauritsen (1915-1973).
label: Description
content: Ref: Charles C. Lauritsen, “Roentgen Meter,” U.S. Patent 2,022,117 (Nov. 26, 1935), assigned to the California Institute of Technology.
label: Description
content: C. C. Lauritsen and T. Lauritsen, “A Simple Quartz Fiber Electrometer,” Review of Scientific Instruments 8 (1937): 438-.
label: Description
content: William A. Fowler, “Charles Christian Lauritsen,” Biographical Memoirs, National Academy of Sciences (1975).
label: Location
content: Currently not on view
place: label: place made
content: United States: California, Pasadena
setName: label: See more items in
content: Medicine and Science: Modern Physics
creditLine: label: Credit Line
content: Rensselaer Polytechnic Institute. Department of Chemistry
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1994.0125.22
label: accession number
content: 1994.0125
label: catalog number
content: 1994.0125.22
objectType: label: Object Name
content: Radiation meter, based on Lauritsen-type electroscope
physicalDescription: label: Measurements
content: overall: 34.8 cm x 22.1 cm x 8.7 cm; 13 11/16 in x 8 11/16 in x 3 7/16 in