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Stovepipe or Flue Cleaner.
Patent for an improved stovepipe or flue cleaner. It is a four-bladed fan that sits in an insert in the flue. The fan is operated by pulling on a rope which is situated between two pulleys. The cleaner sits right before the hot air goes into the chimney.
Date:
February 20, 1894
Creator:
Graham, Albert Y.
System:
The Portal to Texas History
Improvement in Gang-Plows.
Patent for "an improved gang-plow, which shall be so constructed that it may be readily adjusted to cause the plows to take or leave land, and which will enable the wheels to be adjusted closer to or farther from the plows, as may be desired." (Lines 12-17) Includes instructions and illustrations.
Date:
February 20, 1877
Creator:
Cummins, John R.
System:
The Portal to Texas History
Separator for Seed Cotton
Patent for a machine that separates seed cotton from its hulls and any extraneous dirt before it goes to the gin.
Date:
February 20, 1917
Creator:
Ellenburg, Joe N.
System:
The Portal to Texas History