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Edison Lamp first commercially used. Carbonized Bristol- Board "Horseshoe" filament. Produced Nov. 1879-May1880. Dimensions in inches - Total Height 8 1/16; diameter of base, 3 5/16; bulb diameter, 2 5/16; bulb neck from bulb to stem seal; 1 7/8. Also see companion photographs 458418 and 458420.
General Electric Company
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