Shall I post something I find to be mysterious?
Or just enlarge an image until it's unrecognizable?
Here is it's info from a collectors' website:
"The No. 42 is a double petticoat type, with a long, smooth leakage path
on the inner petticoat. It sits close to the cross-arm, thus giving the pin protection against rain splash. Its threads are accurately formed
for a tight grip on the pin. The wire groove is a modern square type shown in Spec. 1-A-33 of the Association of American Railroads, and is accepted as standard for most telephone construction."
Hell, I just think they're pretty and have been fascinated by them
since childhood, when I first noticed them atop telephone poles.
Now I have three of my very own.
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