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Show Putting Extra Stretch in Rubber ! VfM-' If $f4 V?fvi 41 4 AfeAtf 4 fa 1 iFiiiiif-fKi h4 We will all have to do without new automobile tires for the present. Next best thing is a retreading job on your old ones, if they are too smooth for safety. At left you see a re-treading operation in progress. A "camel back," or new rubber top, is vulcanized to the old casing to give a new gripping tread. At the right Is shown how a worn-out tire compares with one that has just been given a face lift, or a new tread. The recapped tire is at left; the old "smoothy" beside it. |