Improvement in Wedges for Spitting Rock &c. (open access)

Improvement in Wedges for Spitting Rock &c.

Patent for improvement for a wedge. This design hollows the middle in two areas to make it easier to handle and more economical.
Date: April 24, 1875
Creator: Cosbey, Thomas
System: The Portal to Texas History
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
Improvement in Washing-Machines (open access)

Improvement in Washing-Machines

Patent for "... an improved washing-machine which shall be simple in construction, convenient in use, easily operated, and effective in operation." (lines 12-15)
Date: September 2, 1879
Creator: Fuchs, Benjamin F.
System: The Portal to Texas History
Improvement in Cotton-Choppers. (open access)

Improvement in Cotton-Choppers.

Patent for an improvement in cotton-choppers by way of vertical rock-shafts.
Date: May 25, 1876
Creator: Burnham, Theodore O.
System: The Portal to Texas History
Improvement in Car-Trucks. (open access)

Improvement in Car-Trucks.

Patent for the improvement of car-trucks, consisting in the arrangement of each wheel of a car-truck upon the outer end of a separate short axle, the bearings of each axle being both located on the inner side of the wheel and the bearing at the inner end of the axle provided with a sliding-box and springs. It includes a description and illustration.
Date: July 9, 1872
Creator: Onley, Joseph
System: The Portal to Texas History