Coupling plates from maser apparatus
date: label: date made
content: 1957
name: label: associated institution
content: University of Michigan
label: maker
content: Kikuchi, Chihiro
notes: label: Description (Brief)
content: A set of four brass plates used to attach ruby cavities to a maser apparatus.
label: Description (Brief)
content: .01: no extant markings; .25" slot in face, three holes drilled in bottom, two rows of holes drilled on back, tracks milled on both front and back;
label: Description (Brief)
content: .02: no extant markings; .125" slot in face, three holes drilled in bottom, tracks milled on both front and back;
label: Description (Brief)
content: .03: no extant markings; two slots in face, one filled with plastic that holds a pin that extends .1875" from the plate, the other with a pin soldered in place that's flush with the plate, two holes drilled thru the unit;
label: Description (Brief)
content: .04: no extant markings; two slots in face, both holding a pin soldered in place that emerges from the plate, holes drilled in bottom.
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.330448
label: catalog number
content: 330448
label: accession number
content: 294063
objectType: label: Object Name
content: Maser
physicalDescription: label: Measurements
content: .01: 1 1/8 in x 5/8 in x 1/4 in; 2.8575 cm x 1.5875 cm x .635 cm
label: Measurements
content: .02: 1 1/8 in x 5/8 in x 1/4 in; 2.8575 cm x 1.5875 cm x .635 cm
label: Measurements
content: .03: 7/8 in x 15/16 in x 1/8 in; 2.2225 cm x 2.38125 cm x .3175 cm
label: Measurements
content: .04: 3/4 in x 5/8 in x 1/8 in; 1.905 cm x 1.5875 cm x .3175 cm