Improvement in Rotary Engines. Page: 1 of 2
Reference the current page of this Patent.
Improvement in Rotary Engines., patent, June 5, 1866; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth165125/m1/1/?rotate=90: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.