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Tourist's Glass.
Patent for improvements to tourists' glasses, "intended for use to tourists, hunters, ranchmen, botanists, minerologists, and analogous purposes" (lines 25-27) including illustrations.
Date:
July 21, 1914
Creator:
Faehrmann, John M.
Object Type:
Patent
System:
The Portal to Texas History
Differential Mechanism for Automobiles
Patent for improvements for differential mechanisms for automobiles, including a "means for transmitting power from the motor to the traction wheels of the machine".
Date:
October 19, 1915
Creator:
Maniscalco, Anthony S.
Object Type:
Patent
System:
The Portal to Texas History