Champion Spark Plug Company Mine

Champion Spark Plug Company Mine Mono County California


Stock #: 650745
Type: Postcard
Era: Divided Back
City: Mono County
State: California (CA)
Size: 3.5" x 5.5" (9 x 14 cm)
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Many years of zealous research disclosed the fact that Sillimanite could be used to make a superior spark plug insulator. Then came the arduous task of prospecting for the mineral. Champion engineers found a huge deposit, millions of tons, high in the Invo Mountain Range, in Mono County, California. It is the only commercially usable deposit of Sillimanite in the world. Only Champion can use Sillimanite, the finest material known for the manufacture of quality spark plugs.

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