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Turbine Wheel.
Patent for a new and improved turbine wheel. This design eliminates water friction and alleviates pressure on suspended buckets, causing them to last longer.
Date:
August 17, 1880
Creator:
Hallenbeck, Matthew L.
System:
The Portal to Texas History
Machine for Filing Gin Saws.
Patent for a new and improved machine to sharpen the teeth of cotton gin saws. This design utilizes two bevel-faced wheels connected to a block between two arms that clamp the saw blade. The bevel-faced wheels sharpen the teeth of the blade, and the nuts and bolts of the frame allow for movement as well as tightening and loosening.
Date:
August 17, 1880
Creator:
McAllister, Alexander F.
System:
The Portal to Texas History
Wheel-Plow.
Patent for improvements in wheeled-plow by adding inner and outer guide to the bent axle and an adjusting device to the stop-plate; these additions enable the plow adjustment process effortless. Illustration is included.
Date:
August 17, 1880
Creator:
Reuss, John L.
System:
The Portal to Texas History
Rotary Engine.
Patent for a new and improved rotary engine. This design consists "[i]n a rotary engine, the combination of the wheel having two circumferential channels and radial recesses, with the notched pistons, fitted in the radial recesses of the wheel, and the adjustable cam connected with the side casings and fitted into the notches of the pistons" (lines 90-96).
Date:
August 17, 1880
Creator:
Cross, David L.
System:
The Portal to Texas History
Saddle-Tree Fork.
Patent for a new and improved saddle-tree fork. This design "strengthen[s] the iron fork by means of a bent wooden part" (lines 14-15). It also utilizes ribs running into and through the neck cavity, which strengthens the neck of the saddle, as when bearing the strain of a lasso.
Date:
February 17, 1880
Creator:
Mittendorf, Gustav Adolph
System:
The Portal to Texas History