I have an old Ransome Co.Model P5 pot.My Dad had it and used it for leading soil pipe.It has made many fishin sinkers and now ingots for boolits.Stellar Tech still makes something simaler called the p-5-0 it is riged for heating solder irons. It has the same burner as mine but mine has a pot with a shroud.
I thru what is left of the muffin pan out in the yard to weather a bit before I try it again,