Film Actuating Mechanism For Motion Picture Cameras. Page: 1 of 4
View a full description of this patent.
Reference the current page of this Patent.
Film Actuating Mechanism For Motion Picture Cameras., patent, May 12, 1917; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth1256856/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.