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Cotton Bur Breaker and Suction Fan.
Patent for "a new and useful Improvements in Cotton-Bur Breakers and Suction-Fans" (lines 6-8) and is designed for loading and unloading cotton from a wagon while separating the cotton lint from the hulls, including illustrations.
Date:
November 18, 1919
Creator:
Irwin, Samuel D.
System:
The Portal to Texas History
Vacuum-Distributer for Internal-Combustion Engines.
Patent for "improvements in Vacuum-Distributers for Internal-Combustion Engines". More precisely "an improvement in 'vacuum-energized make-and-break spark-plug". This particular vacuum-distributer would aid in lubricating the working parts and a "breather" function would let outside air pass through, preventing the "ingress of dirt and impurities to the vacuum-distributer".
Date:
March 18, 1919
Creator:
Irwin, Samuel D.
System:
The Portal to Texas History
Rotary Cultivator.
Patent for a new and improved rotary cultivator designed to pulverize hard, dry soil without damaging the plants. The device utilizes cylindrical tooth holder with teeth that can be manipulated at various angles to pry the soil from around the plants.
Date:
November 18, 1919
Creator:
Irwin, Samuel D. & Irwin, Herbert G.
System:
The Portal to Texas History