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Harrow and Cultivator.
Patent for harrow and cultivator improvements. Earth engaging members can be lowered and raised. Implement carrying beams and wheels are connected via the body of the implement.
Date:
December 9, 1913
Creator:
Stavinoha, Adolph
System:
The Portal to Texas History
Needle for Sound-Reproducing Machines
Patent for a needle with volume adjustment and sound enhancement capabilities, for gramophones and similar sound-reproducing machines.
Date:
April 9, 1912
Creator:
Tendler, Benard
System:
The Portal to Texas History