Here are two Kodak Carousel AV accessories:
Zero Position Control which allows a single Kodak Carousel AV projector to be used for continuous viewing of a short series of slides and returning the slide tray back to zero
Quick Change Control used in conjunction with two Kodak Carousel S-AV2000 projectors permitting direct transition from one slide to another to omit the black-out between projectors
Each unit comes with original instruction leaflet
Each are new old stock, never used and in original packaging - packaging is in poor condition
Also included is a 1984 Kodak Dealer Catalogue Audiovisual Equipment Supplement