1", 1.5", 2" cylinder relief valves Page: 1 of 1
Reference the current page of this Technical Drawing.
1", 1.5", 2" cylinder relief valves, technical drawing, April 23, 1914; (https://texashistory.unt.edu/ark:/67531/metapth1188164/m1/1/?q=%22%22~1: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting Texas Parks & Wildlife Department.