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William Foster
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Individual
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Individual
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15,322. Foster, W. July 26. Lubricators.-A fixed automatic lubricator for colliery tubs &c. consists of two serrated disks or rollers A, A', mounted one at each end of the the lever B, and projecting through slots in the cover of the box C, which contains lubricant. As each wheel is depressed by an axle d<2>, the other is raised into the operative position. The disks may be mounted upon a shorter lever, so as to overlap.
GB190515322D1905-07-261905-07-26Automatic Greaser for Colliery Tubs.
ExpiredGB190515322A
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