“Ceramic cylinder, approximately 15 inches tall, 6-inch diameter with 2 valves on the bottom and a cast iron mounting bracket.”
Answer: “It would appear to be a Lye jar for cleaning milking machine lines, but I can’t find how it works.”
The @$$ box is a reality in every hospitals break room. It serves for a lot of giggles. :)
..same for #13, #14, #15 and #16
An air diffuser? Oh thank god, that's really not what my first thought was and I was scared...