Focusing assembly from ammonia beam maser
date: label: date made
content: 1954
name: label: associated user
content: unknown
label: associated institution
content: Columbia University
label: associated institution
content: Townes, Charles H.
label: maker
content: Townes, Charles H.
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Charles H. Townes and Columbia University
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.323899
label: catalog number
content: 323899
label: accession number
content: 260038
objectType: label: Object Name
content: Maser, Section of
label: Object Name
content: maser component
physicalDescription: label: Measurements
content: overall: 11 1/4 in x 8 1/4 in x 4 in; 28.575 cm x 20.955 cm x 10.16 cm