Something to do with electric lines - I think.
They are glass insulators that were used on electric distribution wires. You can see the internal threads that attached these to short wooden posts on utility poles or to cross bars those poles.
Vee, good guess. Aunt Fern collected these and attempted to school me on the finer points of collection. She had dozens of them; I never really got hooked on them, but I do have a few.Chuck, exactly. I have a few insulators, but what I don't have and apparently no one preserved are any of the threaded posts they attached to.
It's rather a pretty thing. (While running my cursor over the image the word insulator appeared and then I did a google image search - I'm such a cheater!)
Grace, not cheating, it's how we learn! These things came in various sizes and colors: the greens as shown, blue, brown, yellow, purple, clear...There were even collector catalogs published.
Used on telephone poles.
Ilene, yes, they were. And on secondary power lines, telegraph lines.
Because they (the threaded posts) were made of wood. They probably didn't stand up well to the weather. Perhaps no one thought they were worth collecting.
Chuck, I assume that was the case. The drip bib on the insulator protected them while they were in use, but not doubt when discarded they returned to the soil from which they grew.
I have a boxfull. Can't even sell 'em for $3 on ebay. Costs more to ship 'em.
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