Torpedo-Controlling Apparatus. Page: 2 of 5
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Torpedo-Controlling Apparatus., patent, August 12, 1919; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth1256866/m1/2/: accessed June 30, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.