Improvement in Automatic Brake-Setting Mechanism for Pneumatic Brakes.
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Improvement in Automatic Brake-Setting Mechanism for Pneumatic Brakes., patent, January 5, 1915; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth857870/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.