bc.gold 3,403 #1 Posted September 27, 2022 Landfill score, couple of cylinders the small one is full. The Presto-O-Lite valve appears to be for refrigeration, could this be sulfur dioxide. Share this post Link to post Share on other sites
Achto 27,577 #2 Posted September 27, 2022 @WHX?? You recognize these? Share this post Link to post Share on other sites
Pullstart 62,900 #3 Posted September 27, 2022 47 minutes ago, Achto said: @WHX?? You recognize these? Uncle Jim was probably close to retirement when those tanks were new! 4 Share this post Link to post Share on other sites
squonk 41,120 #4 Posted September 27, 2022 Could be just about anything. The last ( and only) 502 cylinder I was around looked like a normal refrigeration tank. That could be a CO2, Helium who knows Share this post Link to post Share on other sites
