The Bell & Howell Ringmaster slide projector was capable of projecting 35mm mounted slides onto an internal screen and then played them much like a television set. Different settings allowed the slides to be projected onto a larger screen if desired. The RingMaster included cassette tape player/recorder that was able to synchronize the playing of sound with the projection of slides. It was compatible with 80 and 140 count Kodak Carousel slide trays which were mounted on the top. A carry handle was attached for the top of the machine for easy transport, Accessories with the projector included an external microphone and cassette tapes. Donald J. Bell and Albert S. Howell founded Bell & Howell Incorporated with a capitalization of $5,000 in February 1907. This projector was used by the Country Fire Authority Training Wing to conduct training and information sessions for its members.This item is significant because it is representative of development in home entertainment in the late 1970s. It was donated by a local organisation in Wodonga.A large cube-shaped projector with a slide carousal which was placed on the top. It included a built-in cassette recorder and an external microphone jack. The front featured a screen allowing slides to be viewed on this screen or projected onto an external screen.On front: Bell & Howell Metal Plate on back: Serial Number 9005079 and Patent informationbell & howell, home entertainment