Discharge-Tube for Fertilizer-Distributors. Page: 1 of 3
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Discharge-Tube for Fertilizer-Distributors., patent, March 20, 1917; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth858188/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.