UNT Libraries Government Documents Department - 2 Matching Results

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Battery-Mud-Extracting Device.

Patent for improvement of Battery-Mud-Extracting Devices where the mud may be removed without disassembling the battery or displacing of the electrode plates.

Date: March 11, 1919

Creator: Irwin, Samuel D.

Item Type: Patent

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