The more skirts petticoats an insulator had the longer the total distance from the wire groove to the pin holding the insulator was.
Hemingray petticoat insulator.
The hemingray glass company operated between 1848 1972 and was the largest manufacturer of glass insulators in the world.
In the early days of the telephone single petticoat insulators were standard for toll line construction.
1 inner skirt and 1 outer skirt.
Not sure which hemingray glass insulator you have.
This feature is quickly added to nearly all styles of insulators that are in production.
It has a square wire groove.
9 clear insulator with original mounting peg.
Aqua glass insulator hemingray patent may 2 1893 petticoat antique vintage.
Antique hemingray no 42 predrilled glass insulator light lamp clear 100 availabl.
2 how many wire grooves does your insulator have.
We can narrow it down with just a few questions.
This mold style only appears in 030 and 040 embossings.
1893 may 2 ralph hemingray receives a patent for drip points or teats.
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Please review all 12 photos for your most accurate description and size reference.
Make offer vtg blue green glass electrical insulator hemingray 42 usa beaded antique aqua.
A petticoat is simply the original term for what collectors now call an insulator s skirt.
Vtg blue green glass electrical insulator hemingray 42 usa beaded antique aqua.
The embossing hemingray appears on several new styles of insulators.
Make offer vintage hemingray blue glass insulator lot of 8 no 12 no 9 petticoat.
16 has about the longest leakage path possible for a single petticoat type on a standard pin.
This hemingray embossed version is embossed with double petticoat on the rear skirt.
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1 what does the front of your insulator say.
Most of these are the new double petticoat styles cd 145 cd 151 cd 162 and cd 164.
Good condition shows wear from use some chips scratches and burn marks.
3 how many petticoats skirts does your insulator have.
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Note the wire groove is lower down and the insulator is slightly shorter than the other molds.
You can also check out the top 20 identified hemingray insulators.
16 with a single petticoat is still widely used for lines of medium length the no.