Emerson 25A, 1933
Tube complement: 39 RF, 36 detector/1st audio, 38 audio output, 37 rectifier. The type 37 tube is a triode, but here it's used as the AC line rectifier, wired with its grid and plate tied together.
Approximately 11 inches / 28 cm wide at the base. The knobs pictured are not original.
The rear view.