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Cabinet
Patent for a phonograph cabinet which has specialized storage for records with a built in cataloging and record finding system composed of letters running horizontally across the cabinet and numbers on a sliding strip which when put together with a letter will indicate the position of the record.
Date:
March 23, 1909
Creator:
Keltz, Eugene
System:
The Portal to Texas History
Disk Plow
Patent for a disk plow. This design of plow provides multiple blades and constructed to be less dangerous to the operator.
Date:
June 23, 1903
Creator:
Creager, James A.
System:
The Portal to Texas History