Photo Contributed by Gabriella's Garret

The 9-104W is a 6 tube, single band, AC-DC powered superheterodyne.

The tubes used in this set are:
6BJ6   R.F. Amplifier
12BE6  Converter
6BJ6  I.F. Amplifier
12AV6   Detector, AVC, 1st A.F. Amplifier
50B5 or 50C5   A.F. Power Output
35W4   Rectifier