Vintage Ceramic Telephone Insulators

Similar to their glass counterparts porcelain insulators date back to before the civil war for telegraph wires.

Vintage ceramic telephone insulators.

They are made from glass porcelain or composite polymer materials nonconductive materials. Insulators were originally designed to keep the wires linking telegraphs and telephones insulated from the wooden poles that held them aloft. 12 large and 5 small. 7 vintage brown porcelain ceramic insulators antique telephone insulators c.

Vintage electric ceramic glaze telephone telegraph pole insulator cap brown 19 49 1900 s hemingray 42 usa 24 48 telephone insulator 4 x 3 5 glass bead bottom. Vintage joslyn 75 00. They insulated and protected the wooden poles from the electricity coursing through the wires. 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 conjunction with the expansion of rural electrification in the early 20th century there was a major boom in the manufacturing of. 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. Telephone insulator cd 128 clear pyrex ab tm reg. Telephone wire utility power pole insulator ceramic glazed brown black white vtg.

Vintage glass insulators were first produced in the 1850s for telegraph lines then for telephone and power transmission lines. Lot of 64 99. 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. Vintage brown ceramic telephone insulator with original wood peg 11 18 36.

As technology developed insulators were needed for telephone lines electric power lines and other applications. Vintage joslyn antique 5 brown porcelain electric insulators with bracket. Off back csa ma. Make offer vintage brown ceramic stoneware locke power pole insulator made in usa 17 hemingray turquoise and clear electric insulators.

Vintage large brown porcelain insulators pinco 1966 rare. Today there are over 2000 collectors and insulator clubs national shows and good reference books are available. In the mid 1960 s a few people began collecting these glass and porcelain insulators. Glass insulators were first produced in the 1850 s for use with telegraph lines.