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.