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Roulette were motorcycles produced from 1911 to 1914 by the Roulette Cycle Co of Gosford Street, Coventry.
1896/7 Directory: Listed under cycles. More details
1911 Late in the year the company showed a machine with a new kind of frame construction that they hoped to licence to other firms. It was invented by Fred T. Robb and consisted of duplex tubes bolted together. The result was a light and rigid frame with easily replaceable tubes. The prototype was fitted with a 2.5hp JAP engine and direct-belt drive.
1912 Listed in Spennell's directory of Coventry as Cycle Manufacturers. 
1913 A larger 4.25hp model was added.
During the First World War production ceased and did not recommence afterwards.