Improvement in Well-Augers. (open access)

Improvement in Well-Augers.

Patent for an improved well-auger, includes instruction and illustration.
Date: May 21, 1878
Creator: Glass, James T.
System: The Portal to Texas History
Improvements in Electric Foot Warmers. (open access)

Improvements in Electric Foot Warmers.

Patent for adjustments in the mechanics of electric foot warmers.
Date: May 17, 1870
Creator: Littlepage, Caleb
System: The Portal to Texas History
Improved Head-Rest. (open access)

Improved Head-Rest.

Patent for a new and improved head-rest for railroad-car seats and other seats, that can be applied to or removed from the back of seats without the use of clamp-screws, and are adjustable and adaptable to the convenience and comfort of different persons. It includes a description and illustrations.
Date: May 31, 1870
Creator: Littlepage, Caleb V.
System: The Portal to Texas History
Improvement in Car-Couplings. (open access)

Improvement in Car-Couplings.

Patent for "a new and improved Car-Coupling"
Date: May 11, 1875
Creator: Shelley, Nathan G.; Bozarth, Stephen P. & Spring, David V.
System: The Portal to Texas History