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2 Heat Resisting Glass Housings 7500v Ul Steampunk Electrical Insulators Maybe

2 Heat Resisting Glass Housings 7500v Ul Steampunk Electrical Insulators Maybe Other Mercantile Antiques photo   Category : Mercantile, Trades & Factories > Other Mercantile Antiques
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2 Heat Resisting Glass Housings 7500v Ul Steampunk Electrical Insulators Maybe Other Mercantile Antiques photo 12 Heat Resisting Glass Housings 7500v Ul Steampunk Electrical Insulators Maybe Other Mercantile Antiques photo 22 Heat Resisting Glass Housings 7500v Ul Steampunk Electrical Insulators Maybe Other Mercantile Antiques photo 32 Heat Resisting Glass Housings 7500v Ul Steampunk Electrical Insulators Maybe Other Mercantile Antiques photo 4

    

Uploaded by t-i-m on Apr 23, 2017
        
Known Information
Category : Mercantile, Trades & Factories > Other Mercantile AntiquesItem Id: 187232
More info
Made of heat-resisting glass with a central metal spring and screw, these items were found in the wreckage of a building that had been razed on the east side of Manhattan
They are 4 1/2 inches long and 2 inches in diameter
I admit I don't know what they were used for, but it must be something electrical
These words are embossed on the glass: "Standard heat resisting housing - cat #100 - 7500 V - Made in U.S
Do you know more?



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