C&W rotary spark discharger
date: label: date made
content: ca 1921
notes: label: Description (Brief)
content: Marked: "C&W Co. / Rock Island, Ill. / Rotary Spark Discharger / Type CS-20 / Made in U.S.A." A rotary spark gap similar in appearance and operation to the Benwood Rotary Gap (catalog no. EM.320717). Rotor wheel is enclosed in an aluminum housing. Number of points on the wheel is not known. C & W Company of Rock Island, Illinois. Reference: F.D. Pitts Co., Catalogue (1922) pages 68-69.
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.320799
label: catalog number
content: 320799
label: accession number
content: 241556
objectType: label: Object Name
content: spark generator
physicalDescription: label: Measurements
content: overall: 8 1/4 in x 11 in x 5 1/2 in; 20.955 cm x 27.94 cm x 13.97 cm