Peerless carbon lamp in a Yost keyed socket
date: label: date made
content: ca 1890
notes: label: Description (Brief)
content: Peerless carbon lamp: brass Thomson-Houston base (1 full and 1 half rings) with porcelain insulator. Triple-arch cellulose filament with carbon-paste connectors, 2-piece leads, cotton insulator. Tipped S-shaped envelope. Label: "Peerless"; another label: "4/[_]04". Peerless Electric Lamp Co. Lamp was installed in a pendant-type ceiling fixture that includes a Yost keyed lamp socket on a Bryant surface-mounted base. The socket is a brass keyed Thomson-Houston unit wired to a porcelain surface-mounted base with two conductors, braided green/yellow insulation. Socket: brass shell with ceramic insulator, plastic key and connector bushing. Shell stamped: "250V 50 C. / Patented"; key molded "Yost". Base: porcelain mount and rosette with brass fittings. Molded on top: "Bryant" and "Pat'd / K.W. / 2 Amp. / 125 V"; on bottom: "No 12 / B.E.CO." The lamp is displayed without the fixture.
setName: label: See more items in
content: Work and Industry: Electricity
label: Exhibition
content: Lighting a Revolution
label: Exhibition Location
content: National Museum of American History
creditLine: label: Credit Line
content: from Robert F. Hoke
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.335363
label: catalog number
content: 335363
label: accession number
content: 316498
objectType: label: Object Name
content: Light Bulb
label: Object Name
content: incandescent lamp
physicalDescription: label: Physical Description
content: glass (overall material)
label: Physical Description
content: carbon (overall material)
label: Measurements
content: lamp: 3 1/2 in x 1 3/4 in; 8.89 cm x 4.445 cm
label: Measurements
content: socket: 2 3/4 in x 1 5/8 in x 2 1/4 in; 6.985 cm x 4.1275 cm x 5.715 cm
label: Measurements
content: pendant: 20 in x 3 in; 50.8 cm x 7.62 cm
label: Measurements
content: base: 2 1/2 in x 3 in; 6.35 cm x 7.62 cm