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Hoisting Drum.
Patent for an invention that "relates to improvements in hoisting drums" (line 15-16). Structure, objective, and illustrations of hoisting drums are included.
Date:
July 3, 1917
Creator:
Howard, Henry Fischer
System:
The Portal to Texas History
Rail-Splice.
Patent for a rail splice that joins the ends of railway tracks to one another to prevent spreading of the tracks and is easily taken on and off for repair work.
Date:
July 16, 1907
Creator:
Bonner, Benjamin B. & Bonner, Thomas W.
System:
The Portal to Texas History