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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