Clapp-Eastham "Blitzen" variable capacitor
date: label: date made
content: ca 1916
name: label: maker
content: Clapp-Eastham Co.
notes: label: Description (Brief)
content: Marked: "Clapp-Eastham Co. / Cambridge, Mass. / U.S.A. / Blitzen". A rotary variable condenser with glass enclosure, bakelite panel with 0-30 scale. Metal knob shaft has a pointer. Bakelite binding posts convey rotor and stator connections to external circuit. Includes 21 aluminum rotor and 22 stator plates. Capacitance is .0008 MF. Original price: $8.00. Reference: "Manhattan Electrical Supply Co. catalog, 1916, page 126.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.321505
label: accession number
content: 241556
label: catalog number
content: 321505
objectType: label: Object Name
content: variable capacitor
label: Object Name
content: variable condenser
physicalDescription: label: Measurements
content: overall: 3 3/4 in x 4 1/4 in; 9.525 cm x 10.795 cm