You will also require some beer barrels, a couple of brass or metal cocks, some vent-pegs, and some bungs.
"A Plain Cookery Book for the Working Classes" by Charles Elmé Francatelli
In my search for the bung I had not forgotten the vent or tap-hole.
"The Boy Tar" by Mayne Reid
In two or three days put a bottle of brandy to every four gallons, bung it close, but leave the vent peg out a few days.
"The Cook and Housekeeper's Complete and Universal Dictionary; Including a System of Modern Cookery, in all Its Various Branches," by Mary Eaton
Leave a small vent-hole near the bung.
"Soil Culture" by J. H. Walden
In a down-draught kiln the bungs over any vent must be raised on fire tiles to permit the escape of the flames.
"Pottery, for Artists Craftsmen & Teachers" by George J. Cox