Blown the bulb inside the selector drum, and miss that gentle glow? What you require is a #40 bulb. This 6.3volts 0.15Amp screw base bulb can be obtained in a handy pack of 10 from Antique Electronic Supply .
Is the dial scale on your Equasonne looking the worse for wear? Discovered the hard way that primitive plastics just don't age gracefully? A replica of Sparton part number A-4584, which is the plastic strip dial scale used in models: 103, 111-A, 235, 301, 301-A, 564, 570, 574, 578, 589, 591, 593, 600, 610, 620, 737, 740, 750, 870, 930 and 931 is available on-line from RadioDaze. The Radiola Guy also sells a replacement dial scale for the Equasonne.