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| Knox was racing at both Wilkes-Barre and Bridgeport this weekend, racking up ad-worthy success at both. |
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| Spectators line the Sport Hill course. Image courtesy of the National Automotive History Collection, Detroit Public Library |
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| More spectators. Courtesy of the National Automotive History Collection, Detroit Public Library |
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| John J. Coffey racing the Columbia #16 car. He had also driven for Knox but was more often associated with Columbia. Courtesy of the National Automotive History Collection, Detroit Public Library |
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| Spectators rush to the scene of an accident involving the Isotta driven by Glenn Etheridge. Courtesy of the National Automotive History Collection, Detroit Public Library |







