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Pin-type electrical insulator, ca. 1897

Contributed by Maine Historical Society

Pin-type electrical insulator, ca. 1897

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This insulator, a type made in late 1896 and early 1897 by the Imperial Porcelain Works of Trenton, New Jersey, was used in the Sanford area.

It was an early porcelain insulator and proved so popular that the plant could not keep up with the demand and quality suffered.

By the 20th century, however, porcelain replaced glass as the most common insulator material.

Other Information


  • Title: Pin-type electrical insulator, ca. 1897
  • Creator: Imperial Porcelain Works, Trenton, N.J.
  • Creation Date: circa 1897
  • Subject Date: circa 1897
  • Media: Porcelain
  • Local Code: 2004.090.4428
  • Collection: Central Maine Power Co.
  • Object Type: Physical Object

For more information about this item, contact:

Maine Historical Society
489 Congress Street, Portland, ME 04101
(207) 774-1822
http://www.mainehistory.org

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LC Subject Headings

Electrical apparatus
Central Maine Power Company

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