Dirigible Headlight. Page: 1 of 4
Reference the current page of this Patent.
Dirigible Headlight., patent, January 14, 1919; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth1256758/m1/1/?rotate=90: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.