Similar to their glass counterparts porcelain insulators date back to before the civil war for telegraph wires.
Vintage ceramic insulators.
Vintage lot 39 00.
25 pk vintage antique ceramic knob and tube electrical insulators white porcelain.
5 out of 5 stars 6 6 reviews 14 00 free shipping favorite add to rare corner insulator porcelain heavy glaze finish.
Firegear match 1850 98 firegear match light fire pit burner kit square bowl pan propane 38x38 k5600 joker 1850 00 k5600 joker evolution 200 hmi light kit ac dc anton plus chimera lightbox.
They are made from glass porcelain or composite polymer materials nonconductive materials.
Shop for and learn about vintage glass insulators.
Cool glazed ceramic vintage insulators for steampunk designers.
In north america glass was always the predominate material for communications insulators but porcelain has become the standard for power distribution due to its greater strength and surface resistance.
Buy ceramic insulators on ebay now.
They insulated and protected the wooden poles from the electricity coursing through the wires.
Vintage insulators are most commonly made out of porcelain or glass materials and they come in a wide variety of colors and shapes making each item a unique piece that can make a great addition to a collection.
Lot of 2 vintage steampunk milwaukee ceramic insulators new 70 00 8 40 shipping.
Vintage glass insulators were first produced in the 1850s for telegraph lines then for telephone and power transmission lines.
Vintage insulators lot of 5 ceramic brookfield armstrong s.
This is a very heavy vintage piece.
5 out of 5 stars 1 135 1 135 reviews.
Vintage ceramic electrical insulators lot 116twistedwillows.
Steampunk maker parts.
Vintage lot 7 white porcelain knobs electrical insulators great hat hooks.
In conjunction with the expansion of rural electrification in the early 20th century there was a major boom in the manufacturing of.
Make offer vintage insulators lot of 5 ceramic brookfield armstrong s.
3 vintage brown ceramic porcelain insulators ohio brass locke m 237.
Insulators were originally designed to keep the wires linking telegraphs and telephones insulated from the wooden poles that held them aloft.