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Circuit-Closer.
Patent for a circuit closer for ignition systems "in which both of the terminals are not only isolated from each other, but are also insulated from the engine frame" (lines 10-12).
Date:
February 16, 1909
Creator:
Hubbard, Wilson E.
System:
The Portal to Texas History
Rotary Engine.
Patent for an object that simplifies the operation of rotary engines and motors.
Date:
October 16, 1900
Creator:
Baxter, James P.
System:
The Portal to Texas History