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Tungsten filament lamp, ca. 1909

Contributed by Maine Historical Society

Tungsten filament lamp, ca. 1909

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This National Lamp Works (General Electric) bulb has a squirted and sintered tunsten filament. The process made the bulb more efficient than those with filaments made of tantalum.

However, tungsten filaments were brittle and could not be bent, so short segments were used and were attached to the support wires.

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Other Information

  • Title: Tungsten filament lamp, ca. 1909
  • Creator: National Lamp Works
  • Creation Date: circa 1909
  • Subject Date: circa 1909
  • Media: Glass, metal, tungsten
  • Local Code: 2004.090.4244
  • Collection: Central Maine Power Company collection
  • Object Type: Physical Object

For more information about this item, contact:

Maine Historical Society
485 Congress Street, Portland, ME 04101
(207) 774-1822 x219

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LC Subject Headings

Central Maine Power Company
Light bulbs

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