Eighty-five years ago, this rural family is able to enjoy the radio at home, in the field, or on a picnic, thanks to this receiver described in the May 1937 issue of Popular Mechanics.
The set ran off a single six-volt storage battery. The low-current filaments ran directly from the battery, and a vibrator power pack supplied the 150 volt B+.
The superheterodyne circuit was said to be an excellent performer. The magazine did caution that on a set of this type, it was important not to skimp on cheap parts. The completed set could be built in to either a tabletop cabinet or a console.