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Improvement in Water-Wheels.
Patent for improvements in the construction of water-wheels, including illustrations.
Date:
January 8, 1878
Creator:
Cross, David L.
System:
The Portal to Texas History
Improvement in Adjustable Hammers for Fire-Arms.
Patent for "the particular construction and arrangement of such swiveling striker with its locking devices, and its combination with a double-barreled gun, whereby a single hammer may be employed for both barrels, the striker being capable of such adjustment as to bring it within the range of either nipple, or into an intermediate position between the two, for the prevention of accidents." (Lines 17-26) Includes instructions and illustrations.
Date:
January 8, 1878
Creator:
Toepperwein, Emil A. F.
System:
The Portal to Texas History
Improvement in Gang and Sulky Plows.
Patent for improvements in gang and sulky plows which "consists in an axle having the double crank of the transporting-wheel journaled upon the outer bend of said crank, working between the side beams of the plow-frame, and the connecting-rods pivoted, respectively, to the said bars and to the end and inner bend of said crank" (lines 17-23). Includes instructions and illustrations.
Date:
January 8, 1878
Creator:
McCormick, John Robert
System:
The Portal to Texas History
Improvement in Portable Houses.
Patent for improvements in the construction of portable wooden houses, including instructions and illustrations.
Date:
January 8, 1878
Creator:
Boyd, John
System:
The Portal to Texas History