Improvements in Oil-Burners Page: 2 of 4
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Improvements in Oil-Burners, patent, August 21, 1917; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth854129/m1/2/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.