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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 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