Here’s how to build a beer keg radio from Popular Science 1938 –
NOVEL as well as serviceable, the beer-keg radio described on these pages will make a useful addition to the furnishings in your game room. It can be used either as an end table or as a refreshment stand, and, since it is an entirely self-contained unit, operated by dry batteries, it can be carried onto a porch or even into the yard when warm summer days and evenings make this desirable. If you build this five-tube set carefully, it will give excellent reception from stations 1,000 miles or more away.
The unusual cabinet that houses the chassis, speaker, and batteries of the powerful superheterodyne circuit, is nothing more than an inexpensive ten to fifteen-gallon wine barrel, which can be purchased from any mail-order house. Making the barrel resemble a beer keg requires simple, inexpensive treatment which will be described later…
HOW TO – Build a beer keg radio – Link.