The Ralph E. Chambers Engineering Company was mainly an amusement park and carnival-ride building firm that took over the facilities of the bankrupt Traver Engineering Company in Beaver Falls, Pennsylvania from 1933 into 1962, although Harry Traver continued to work for the company.
As the R. E. Chambers Company, which he formed from the remains of Harry Traver's bankrupt firm, Traver Engineering, where he had been the chief engineer, he built such famous amusement park and carnival rides and attractions as The Whip, The Caterpillar,
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