Improvement in Journal Boxes. (open access)

Improvement in Journal Boxes.

Patent for axel shaft oil lubrication system that acts as a reservoir and saves the oil lubrication materials to be used repeatedly without waste.
Date: April 3, 1873
Creator: Morris, Joseph R.
System: The Portal to Texas History
Car-Coupling. (open access)

Car-Coupling.

Patent for an invention for train cars which "relates to car couplings, and especially to that class of the same which effect an automatic coupling by means of a gravity-hook," (lines 12-15) including instructions and illustrations.
Date: May 13, 1884
Creator: Washburn, Andrew Lynch & Journeay, Abram L.
System: The Portal to Texas History