Vintage Ceramic Telephone Insulators

They are made from glass porcelain or composite polymer materials nonconductive materials.

Vintage ceramic telephone insulators. Lot of 64 99. Insulators were originally designed to keep the wires linking telegraphs and telephones insulated from the wooden poles that held them aloft. Vintage large brown porcelain insulators pinco 1966 rare. Glass and ceramic insulators were originally manufactured in the 1800s to protect telegraph lines and secure them to poles and then later used for telephone and power lines.

7 vintage brown porcelain ceramic insulators antique telephone insulators c. Vintage brown ceramic telephone insulator with original wood peg 11 18 36. Similar to their glass counterparts porcelain insulators date back to before the civil war for telegraph wires. Ils 38 23 6d 16h.

Vintage large 75 00. Telephone wire utility power pole insulator ceramic glazed brown black white vtg. Off back csa ma. They insulated and protected the wooden poles from the electricity coursing through the wires.

Vintage joslyn 75 00. Vintage glass insulators were first produced in the 1850s for telegraph lines then for telephone and power transmission lines. As technology developed insulators were needed for telephone lines electric power lines and other applications. Glass insulators were first produced in the 1850 s for use with telegraph lines.

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. In the mid 1960 s a few people began collecting these glass and porcelain insulators. In conjunction with the expansion of rural electrification in the early 20th century there was a major boom in the manufacturing of. Buy ceramic insulators on ebay now.

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. 12 large and 5 small. Make offer vintage brown ceramic stoneware locke power pole insulator made in usa 17 hemingray turquoise and clear electric insulators. Vintage joslyn antique 5 brown porcelain electric insulators with bracket.