Clapp-Eastham receiving variometer
date: label: date made
content: ca. 1920
label: date made
content: ca 1920
name: label: maker
content: Clapp-Eastham Co.
notes: label: Description (Brief)
content: Clapp-Eastham receiving variometer. A wooden case with two 10-position sweep switches on the side, Ground and Antenna connectors. A cylindrical coil with a single 10-position sweep switch slides along two rails and adjusts the tuning.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from William Dubilier
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.326043
label: accession number
content: 259739
label: catalog number
content: 326043
objectType: label: Object Name
content: variometer
label: Object Name
content: variable inductance
physicalDescription: label: Measurements
content: overall: 5 1/2 in x 8 1/4 in x 6 in; 13.97 cm x 20.955 cm x 15.24 cm