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