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Expired
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George Clarke
Alexander MACKENZIE
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Individual
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Individual
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Publication of GB189817620ApublicationCriticalpatent/GB189817620A/en
17,620. Clarke, G., aud Mackenzie, A. Aug. 16. Tobacco.-Relates to screw-and-nut mechanism applicable in portable tobacco-cutting machines &c. The nut is composed of two threaded segments not in the same plane, so that it may be tilted and moved to any part of the feed-screw.
GB189817620D1898-08-161898-08-16Improvements in Screw and Nut Mechanism.
ExpiredGB189817620A
(en)