Type 41 pilot lamp (screw base, 2.5 volt) if the socket is on the 2.5 volt (tube filament winding) part of the power transformer. If on the 5 volt part (rectifier filament), a type 46 (6.3 volt) should work. Both types should be available from Antique Electronic Supply and other sources. Andy Baron On Nov 18, 2007, at 2:38 PM, Daniel Melvin wrote: > Does anyone know what type of bulbs were used in 20s Eletrolas on > the inside light? There are a number of moderm bulbs that fit the > fixture, but I'm curious if the style of what would have been used > then is still available anywhere? > > Dan > _______________________________________________ > Phono-L mailing list > http://phono-l.oldcrank.org