Valve For Smoke-Conveyers And Spark-Arresters. Page: 1 of 3
Reference the current page of this Patent.
Valve For Smoke-Conveyers And Spark-Arresters., patent, November 7, 1899; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth513053/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.