Vtg blue green glass electrical insulator hemingray 42 usa beaded antique aqua.
Hemingray petticoat insulator.
9 clear insulator with original mounting peg.
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Make offer vtg blue green glass electrical insulator hemingray 42 usa beaded antique aqua.
Antique hemingray no 42 predrilled glass insulator light lamp clear 100 availabl.
16 has about the longest leakage path possible for a single petticoat type on a standard pin.
The hemingray glass company operated between 1848 1972 and was the largest manufacturer of glass insulators in the world.
Most of these are the new double petticoat styles cd 145 cd 151 cd 162 and cd 164.
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The embossing hemingray appears on several new styles of insulators.
3 how many petticoats skirts does your insulator have.
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16 with a single petticoat is still widely used for lines of medium length the no.
Aqua glass insulator hemingray patent may 2 1893 petticoat antique vintage.
In the early days of the telephone single petticoat insulators were standard for toll line construction.
1 inner skirt and 1 outer skirt.
Note the wire groove is lower down and the insulator is slightly shorter than the other molds.
Good condition shows wear from use some chips scratches and burn marks.
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The more skirts petticoats an insulator had the longer the total distance from the wire groove to the pin holding the insulator was.
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It has a square wire groove.
This mold style only appears in 030 and 040 embossings.
Insulators with a double petticoat had two skirts.
Make offer vintage hemingray blue glass insulator lot of 8 no 12 no 9 petticoat.
Hemingray petticoat glass insulator beehive insulator telephone insulator telegraph insulator electric insulator vintage glass andysantiquesandfarm.
1893 may 2 ralph hemingray receives a patent for drip points or teats.
This feature is quickly added to nearly all styles of insulators that are in production.
A petticoat is simply the original term for what collectors now call an insulator s skirt.
1 what does the front of your insulator say.