Maine Memory Network - Transmission & Distribution: Insulators

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Wired! How Electricity Came to Maine

Transmission & Distribution: Insulators

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Electrical insulator, ca. 1930

Item 74825 info
Maine Historical Society

This insulator is coated with a composite material containing particles of mica, a mineral also used to insulate early toaster elements, fuses, and switches.

Item 13 of 15

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