Drift curve trace from maser radiometer, Virgo-A
date: label: date made
content: 1960-02-12
name: label: associated person
content: Kikuchi, Chihiro
notes: label: Description (Brief)
content: The invention of masers in the 1950s proved a key element in the development of radio astronomy. This drift curve of Virgo A, obtained 12 February 1960 at the University of Michigan, used a maser radiometer invented by Chihiro Kikuchi.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from the University of Michigan Institute of Science & Technology, thru Dr. James T. Wilson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.330456
label: accession number
content: 294063
label: catalog number
content: 330456
objectType: label: Object Name
content: graph
physicalDescription: label: Measurements
content: overall: 8 5/8 in x 13 1/2 in x 1/16 in; 21.9075 cm x 34.29 cm x .15875 cm
label: Measurements
content: print: 5 in x 11 1/2 in x in; 12.7 cm x 29.21 cm x .0254 cm