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Expired
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John Robson
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Individual
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Individual
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Publication of GB190814000ApublicationCriticalpatent/GB190814000A/en
14,000. Robson, J. July 1. Drawings to Specification. Steam-pumps.-In valve gears for the steam cylinders of direct-acting steam-pumps provided with oscillating distributing-valves, the exhaust is opened by a tappet rod on the main piston-rod, the valve being then reversed by means of coacting fixed and oscillating vanes in connexion with the exhaust ports of the valve.
GB190814000D1908-07-011908-07-01Improvements in or relating to Pumps and the like Operated by Elastic Fluid.
ExpiredGB190814000A
(en)