Peerless carbon lamp in a Yost keyed socket

Description (Brief):

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.

Date Made: ca 1890

See more items in: Work and Industry: Electricity

Exhibition: Lighting a Revolution

Exhibition Location: National Museum of American History

Credit Line: from Robert F. Hoke

Data Source: National Museum of American History

Id Number: EM.335363Catalog Number: 335363Accession Number: 316498

Object Name: Light Bulbincandescent lamp

Physical Description: glass (overall material)carbon (overall material)Measurements: lamp: 3 1/2 in x 1 3/4 in; 8.89 cm x 4.445 cmsocket: 2 3/4 in x 1 5/8 in x 2 1/4 in; 6.985 cm x 4.1275 cm x 5.715 cmpendant: 20 in x 3 in; 50.8 cm x 7.62 cmbase: 2 1/2 in x 3 in; 6.35 cm x 7.62 cm

Guid: http://n2t.net/ark:/65665/ng49ca746b4-2f5f-704b-e053-15f76fa0b4fa

Record Id: nmah_996297

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