Improvement in Axles for Vehicles (open access)

Improvement in Axles for Vehicles

Patent for "an Improvement in Wagon-Axle Skeins" that "has for its object to furnish an improved iron axle for wagons and other vehicles which shall be stronger without being heavier than iron axles made in the ordinary manner."
Date: July 2, 1872
Creator: Ahrenbeck, Charles
System: The Portal to Texas History
Improvement in Car-Couplings. (open access)

Improvement in Car-Couplings.

Patent for improved construction and arrangement of car-couplings.
Date: July 24, 1877
Creator: McCarty, Ezra B. & Heagerty, James
System: The Portal to Texas History
Improvement in Gin-Saw-Filing Machines. (open access)

Improvement in Gin-Saw-Filing Machines.

Patent for a "gin-saw-filing machine consisting, essentially, of a rotary and intermittingly movable file, of an intermittingly-operated feed and check device, and of adjustable reciprocating sharpening-files".
Date: July 24, 1877
Creator: Eastham, Albert S.
System: The Portal to Texas History