Insulators Home > Insulator Styles > Glass > Threaded > CD 180.5
Excerpt from an 1890s 'Electric Supply Co.' catalog, provided by Elton Gish: http://www.nia.org/research/catalogs/text/esc_1.htm
Nickname is "Fluid Insulator": http://www.insulators.info/general/glossary/#F
Insulators Home > Insulator Styles > Glass > Threaded > CD 180.5
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