https://www.ebay.com/itm/Victrola-Record-Player-antique-VV100-Victor-Talking-Machine/224035826773?

No, but the No. 4 was actually designed to upgrade earlier machines to play electrical recordings so it is at least an "approved" upgrade. The problem is that if that No. 4 is pot metal (which is most likely given the angled set screw) it could have real issues with crumbling.Detrbear wrote:Were they made late enough to be fitted with a Victor #4 soundbox when they came out?