Self Sealing Car Tires In 1934?

 

Punctured Auto Tube Seals Itself

A NEW tire tube contains specially compounded plastic rubber which flows into a puncture, quickly closing it and preventing loss of air.

Unlike previous devices of this nature, the new tube gives unusual comfort in use and is light in weight. It can be used on the smallest car without jolting the passengers.

In a recent test an awl was driven repeatedly into one of the tubes; but the plastic rubber effectually sealed each of the holes with virtually no loss of air.

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