Filter condenser box
date: label: date made
content: 1921
notes: label: Description (Brief)
content: Bureau of Standards record #R2401, Lowell & Dunmore; marked: "R2401. In the U.S. Pat. Office. 53154-53155. Lowell & Dunmore Exhibit No. 61". Condenser box contains multiple capacitors, arranged in such a fashion that any combination may be used to obtain capacities varying from about 1/10 MFD to 30 MFD. Three ten-point rotary switches are employed on the panel; also two binding post sets, one marked Coil and the other AMP. Wooden case. Specimen used at Bureau of Standards by P.D. Lowell & F.W. Dunmore in early experiments with alternating current. Ref: In the US Patent Office: Record and Testimony on Behalf of Lowell and Dunmore, page 553 (1928).
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from John B. Brady, thru Mrs. John B. Brady
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.321929
label: catalog number
content: 321929
label: accession number
content: 245709
label: collector/donor number
content: R2401
objectType: label: Object Name
content: condenser
label: Object Name
content: capacitor
physicalDescription: label: Measurements
content: overall: 8 in x 10 in x 10 in; 20.32 cm x 25.4 cm x 25.4 cm