Data from the 1936-37 Johns catalogue:
6-Valve all-wave receiver, AVC, Celestion 8" speaker, external speaker jacks, pick-up terminals.
General Construction Notes for Wellmade Ltd:
Radios made for Johns in the 30's were often available in AC, DC or Battery. DC, because large tracts of Auckland (where Johns and Wellmade were situated) were powered from DC plants.