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◊× Category BA -S-shape antique tungsten
◊× Works?Yes
◊× Old?Yes
◊× TechnologyIncandescent
◊× Voltage120 V
◊× Power40 W
◊× Filament Mat.Tungsten
◊× Filament Shp.SQ4
◊× Gas FillingVacuum
◊× Flasher?No
◊× Tip?Yes
◊× Bulb ShapeS60 [...]
◊× Diameter60 mm
◊× Length130 mm
◊× BaseE27
◊× Original Sleeve?No
◊× Color(none)
◊× TransparencyClear
◊× Outside?No
◊× Reflector?No
◊× ApplicationGeneral Lighting
◊× ManufacturerEdison Mazda
◊× CountryUSA
◊× Date made1912
◊× Date acquired9/6/2008
◊× Purchase price$ 7.99
◊× LocationLU 8
◊× Needs attention:Photos. Does it have a tip?
◊× Labelled?Yes
◊× How acquired:Ebay, nibblenicks73
Comments:Seller says: "Drawn Tungsten filament. The tungsten was drawn through a very small hole in a machine which gave it a wavy appearance thus strengthening the wire for a longer lasting bulb. The supports inside are copper which are thicker than other lamps of this type. They keep the filament from sagging when lit."

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Last updated: September 26, 2010, 10:05 am