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Improvement in Turbine Water-Wheels. (open access)

Improvement in Turbine Water-Wheels.

Patent for a new turbine water wheel, which is said to alleviate past problems with older model turbines. The patent includes instructions and illustrations.
Date: January 11, 1870
Creator: Chadwick, H. A.
System: The Portal to Texas History
Steam Engine, &c. (open access)

Steam Engine, &c.

Patent for a new and improved engine. This design "connect[s] the piston-rod of the steam-cylinder with the disk or crank that is attached to the fly-wheel shaft by means of a lever, or a disk acting as such, in a manner that enables the piston-rod to operate upon its connecting-bar in a longitudinal direction . . . thereby [avoiding] angular vibration of the connecting-rod and reduc[ing] friction of sliding surfaces" (lines 15-25).
Date: December 11, 1883
Creator: Barton, Alexander M. & Davis, Philip Z.
System: The Portal to Texas History