Potato-Curing Apparatus (open access)

Potato-Curing Apparatus

Patent for an apparatus used to cure sweet potatoes and similar vegetables by circulating heated air through storage bins and removing moisture.
Date: March 1, 1921
Creator: Wells, James Barber
System: The Portal to Texas History
Spark - Arrester. (open access)

Spark - Arrester.

Patent for a new and useful improvements in spark-arresters. This design is to "provide and improved device of this class which is adapted to be connected with the pipe or escape-flue" (line 20 - 23).
Date: February 1, 1898
Creator: Woods, Murray Stover
System: The Portal to Texas History
Improvement in Wrenches. (open access)

Improvement in Wrenches.

Patent for furnishing "an adjustable wrench for holding and turning bolts, pipes, taps, &c." (lines 7-9). Includes instructions and illustration.
Date: July 1, 1879
Creator: Killough, William B.
System: The Portal to Texas History
Improvement in Machines for Destroying Cotton Worms. (open access)

Improvement in Machines for Destroying Cotton Worms.

Patent for a machine to distribute poison to destroy Cotton Worms, including illustrations.
Date: September 1, 1874
Creator: Davis, Nicholas A.
System: The Portal to Texas History