Murdock type 441 quenched spark gap
date: label: date made
content: 1913
label: date made
content: ca 1913
name: label: maker
content: Murdock Radio Co.
notes: label: Description (Brief)
content: No extant maker's markings. Type #441. This quenched spark gap has two electrodes. One is fixed and the other adjustable by means of a knob and screw mechanism. Five radial fins 2" in diam. are arranged on either side of the spark electrodes. Binding posts on the base provide connection to external circuit. Reference: "Murdock Apparatus Catalog," 1913, page 15 (Clark Collection SRM 15-019).
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.321209
label: catalog number
content: 321209
label: accession number
content: 241556
objectType: label: Object Name
content: spark gap
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 8 in x 3 7/8 in; 11.43 cm x 20.32 cm x 9.8425 cm