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Ralph Jackson
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Publication of GB190120510ApublicationCriticalpatent/GB190120510A/en
20,510. Jackson, R. Oct. 14. Driving-chains.-A chain with a number of rows of links works on chain-wheels having a corresponding number of rows of teeth. The links may be formed, as shown in Fig. 3, with inclined ends adapted to grip the teeth.
GB190120510D1901-10-141901-10-14Improvements in Chain-wheel Gear.
ExpiredGB190120510A
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