Improvement in Washing-Machines. Page: 2 of 3
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Improvement in Washing-Machines., patent, May 21, 1872; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth166765/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.