Carbid-Feed Device for Acetylene-Gas Generators.
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Carbid-Feed Device for Acetylene-Gas Generators., patent, October 19, 1909; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth509010/: accessed May 27, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.