Insulator, Glass

About this item

Title

Insulator, Glass

Content partner

Awarua Communications Museum

Collection

Awarua Communications Museum

Description

This is a glass number 9 Hemingray telegraph insulator manufactured by the Hemingray Glass Manufacturing Company in America from the 1890's to the 1940s. It was designed, primarily for rural use, to insulate the electrical wires they carry so that the electricity (or telephone calls) does not leak into the pole and into the earth. Glass and ceramic are preferred materials for the manufacture of insulators as they are poor conductors of electricity.

Format

Image

Date created

1890-1940

Creator

Hemingray Glass Manufacturing Company

URL

https://ehive.com/collections/8060/objects/961536

Related subjects

Communication (including Diaries and Letters) / Communication / 1900s

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Creative Commons

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Attribution (cc)

You can learn more about the rights status of this item at: http://creativecommons.org/licenses/by/4.0/

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