Saw-Operating Mechanism., patent, April 23, 1907; (https://texashistory.unt.edu/ark:/67531/metapth508722/m1/1/: accessed May 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Saw-Operating Mechanism., patent, April 23, 1907; (https://texashistory.unt.edu/ark:/67531/metapth508722/m1/1/: accessed May 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .