Porcelain is the most frequently used material for insulators insulators are made of wet processed porcelain.
Images of ceramic porcelin telephone pole retainers.
Vintage brown ceramic wire insulator with bracket pole telephone electric post 26 76.
The fundamental materials used are a mixture of feldspar 35 china clay 28 flint 25 ball clay 10 and talc 2.
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Photo taken in tucson arizona.
Antique vintage ceramic telephone telegraph insulator red brown locke 2.
Vintage lot of 4 brown porcelain ceramic telephone pole insulators saddle shaped.
Find the perfect porcelain insulators stock photo.
1 vintage brown porcelain wire insulator with bracket.
Lot of 3 aqua blue green hemingray 42 glass railroad telephone insulator 4 44 89.
Insulator stands 3 361568077896.
See more ideas about glass insulators antique glass insulation.
This photo appeared in explore on 12 31 05 although once again on a different page than the one indicated below by christine lebrasseur.