As technology developed insulators were needed for telephone lines electric power lines and other applications.
Vintage glass electric pole insulators.
6 vintage electric or telephone pole brown insulators.
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Antique glass electric insulators lot of 5.
They insulated and protected the wooden poles from the electricity coursing through the wires.
These days most telephone poles have either silicone or ceramic insulators and many people are recycling the obsolete glass insulators as communications and power companies continue updating aging lines.
In conjunction with the expansion of rural electrification in the early 20th century there was a major boom in the manufacturing of insulators with production peaking from the 1920s through the 1940s when millions of hemingray dominion and.
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Today there are over 2000 collectors and insulator clubs national shows and good reference books are available.
Hemingray 56 24 48 vintage clear glass rural telephone insulator cd 203.
Vintage glass insulators were first produced in the 1850s for telegraph lines then for telephone and power transmission lines.
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In the mid 1960 s a few people began collecting these glass and porcelain insulators.
Vintage pyrex clear glass telephone pole insulator with metal rod pin usa.
Glass insulators were first produced in the 1850 s for use with telegraph lines.
Old insulators which are bell shaped and used to suspend phone lines and power lines from supporting poles have long been a popular item to collect especially among many who grew up.
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Lot of vintage hemingray electric fence insulators vintage glass industrial decor farmhouse decor glass paperweight glass collection.
Lot of 4 original antique glass insulator wooden pegs set poles 100 years old.
Insulators were originally designed to keep the wires linking telegraphs and telephones insulated from.
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Shop for and learn about vintage glass insulators.