Texas Patents - 1 Matching Results
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- Steam Engine.
- Patent for a new and improved steam engine. This design "consists in the construction and novel arrangement, in connection with a cylinder having bearings for the piston-shaft at each end and steam and exhaust ports at opposite ends, of an axially-elongated piston having opposite spiral threads or ribs of gradually-decreasing pitch from the end at which the steam enters to the end at which it escapes" (lines 19-26).