Belmont 602B, ca. 1937
Tube complement: 6A8G mixer/oscillator, 6K7G IF, 6R7 detector, 25L6G audio output, 25Z6G rectifier, L49B ballast.
Approximately 10-7/8 inches / 276 mm wide. The grille cloth is not original.
This radio is surrounded by cabinet on all sides. The chassis slides in from the bottom. No doubt, the extra openings on the back and side were provided for ventilation. (This chassis runs hot with its ballast tube.)