This trio are enjoying a radio program out on the terrace thanks to a miniature portable receiver described in the August 1939 issue of Popular Science. The three-tube set drove a loudspeaker thanks to three miniature 1.5 volt British tubes, the XW for the two RF tubes, and the XY serving as audio amplifier. Even though the tubes were made in England, the magazine noted that they were available from the major U.S. suppliers.

The construction was quite compact, and the magazine cautioned that, as with most sets, success depending on the quality of the workmanship. An antenna of 25-40 feet was recommended, with a ground connection optional.