Identifier: architectenginee11534sanf (find matches)
Title: Architect and engineer
Year: 1905 (1900s)
Authors:
Subjects: Architecture Architecture Architecture Building
Publisher: San Francisco : Architect and Engineer, Inc
Contributing Library: San Francisco Public Library
Digitizing Sponsor: San Francisco Public Library

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Satisfies owners . . . . . . pleases tenants The Architect and Engineer, December, 1933 69 Flood Lights and nil Electrical Work Coit Memorial Tower imtalled by CENTRAL ELECTRICCOMPANY 179 Minna StreetSan Francisco FERRY METAL SHELVING The ideal galvanised shelving for eommer- cial refrigerator in- stallations. Manufactured by FERRY SHEET METAL WORKS INC. 980 Folsom St. San Francisco Telephone KEarny 1573 Bronze Windshields in Coit Memorial Tower Furnished and Installed by SEIPELORNAMENTALIRON WORKS 1079 FOLSOM STREETSan Francisco MArket S91U JOSEPH MUSTO SONS-KEENAN COMPANY MARBLE and ONYX 5J5 NORTH POINT STREET SAN FRANCISCO 1801 S. SOTO STREET LOS ANGEI.ES NEW LAMPTo meet a need for greater flex-ibility of illumination from light-ing installations, the Westing-house Lamp Company is intro-ducing a twin-filament lamp intwo sizes. They are to be knownas the Three-Light lamps andwill produce three different watt-ages.
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Line drawing of 150-200 wattWestinghouse 3 - light lamp. The Mazda 150-200 watt lampin a PS-35 bulb will consume 150.200, or 350 watts and will list at$1.50. The 200-300 watt lamp ina PS-40 bulb will consume 200.300. or 500 watts and will list at$2.40. Both lamps are designedwith inside-frost bulb and willoperate on either 110, 115, or 120volt circuits. The Three-Light lamp is con-structed with a mogul screw basewhich has two bottom contacts.One contact is an eyelet, some-what smaller in diameter than thatin the present mogul screw base.The other is a ring or washerwhich surrounds the eyelet. Contact between the eyelet andbase shell will light one filament:contact between the ring and baseshell will light the other filament;and contact between both and thebase shell will light both filamentsto give the maximum wattage ofthe lamp. From the viewpoint of flexibil-ity, the new Three-Light lampscome at a time that finds us on G U I L F O YCornice Works General Sheet Metal SkylightsFire Doo

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