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Mechanical Movement.
Patent for improved mechanical movements "applicable to windmills for operating pump-rods and the like" (lines 10-11) including instructions and an illustration.
Date:
April 15, 1913
Creator:
Ward, Ziba G.
System:
The Portal to Texas History
Dirigible Headlight.
Patent for a new headlight design to automatically turn on the headlights with steering gear.
Date:
April 1, 1919
Creator:
Chalmers, Andrew E. & Chalmers, Welcome A.
System:
The Portal to Texas History