Card Game (open access)

Card Game

Patent for an invention of a new card game to assist with arithmetical computations and outlines of different objects, including illustrations.
Date: May 6, 1913
Creator: Hobbs, James Joseph
System: The Portal to Texas History
Machine for Raising and Lowering Railway-Tracks and Applying Ballast Thereto. (open access)

Machine for Raising and Lowering Railway-Tracks and Applying Ballast Thereto.

Patent for machines designed for "raising and lowering railway-tracks and applying ballast thereto." (lines 11-12) including illustrations.
Date: January 6, 1914
Creator: Sparks, Walter F.
System: The Portal to Texas History