[Phlogiston]

I posted a picture of my "garbage can" before. But at this point it bears reposting.

   

6 volt cell. Inside is a small bottle of "Edison Battery Oil" to prevent evaporation, but not much help when the kids knock the jar over.

P.S. Working for the Phone Co all those years, we still called them jars, at least in the beginning. A switch location running at 48 volts will still have many strings of them weighing many tons.