Vintage Chinon Sound 4100 8mm Movie Projector Sound-on-Sound Turns On- Need Belt

Up for sale is a vintage Chinon Sound 4100 8mm Sound-on-Sound Movie Projector. This classic projector was purchased at an estate sale and has been plugged in and tested. When powered on, the unit does not spin the film spindles (likely a worn/broken belt). Additionally, the volume knob cap is missing, but the control itself still moves. Key details: Brand: Chinon Model: Sound 4100 Format: Regular 8mm / Super 8mm with sound-on-sound recording Vintage unit with carry handle and full control panel Includes original JC Penney price sticker great collectible detail Condition: Does not currently run film (belt issue). Power tested but not fully functional. Missing volume knob cover. Cosmetic wear consistent with age, but overall body is solid and clean. Being sold as-is, for parts/repair or restoration. Collector Value: Even with the current issues, these are highly desirable among collectors, restorers, and vintage film hobbyists. With new belts and a knob replacement, this could be a great working projector again.