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James Andrews
Daniel Cameron
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6770. Andrews, J., and Cameron, D. March 21. Drawings to Specification. Steam pumps. - Consists in a combined fluidactuated and mechanical valve gear for directacting pumps operated by steam or other fluid.
GB190406770D1904-03-211904-03-21Improvements in and relating to Distribution Valves for Direct-acting Reciprocating Fluid Motors
ExpiredGB190406770A
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