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in subjects: "mechanisms"  
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Track Switch

Description: Patent for "new and useful Improvements in Track-Switches" (lines 5-6) including illustrations.
Date: February 15, 1916
Creator: South, John T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Acetlyene Generator

Description: Patent for an imporived acetlyene generator, "wherein the carbid container or receptacle will be elevated clear above the surface of the water contained in the generator when said receptacle is not discharging into the water."
Date: October 31, 1916
Creator: Michael, Mack W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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