Looks like they started moving out of TV/Radio in 1956 in favor of their defense business (making sonobuoys)
Indeed, they are eye-catching designs, and so is the "Sled" model in cobalt blue glass.Not to hijack the thread, but here are some beautiful Deco/Moderne Sparton radios from the Thirties.
The first one has a cloisonné front; the next two are called the Bluebird model and have mirrored glass. Unfortunately they sell for thousands now, and they're just AM radios!View attachment 318902View attachment 318903