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Railroad Worker Sweating A Tire
Photograph - Photograph
Railroad worker sweating a tire on a locomotive wheel. This is the process of heating the circular metal 'tire,' expand it to fit around a metal wheel. As it cools, the tire contracts to make a tight fit around the wheel. 1954.
December 5th, 2011
Viewed 125 Times - Last Visitor from Beverly Hills, CA on 08/22/2014 at 4:56 AM
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