Kodak Ektagraphic III E Plus 35mm slide projector w/ Ektanar C 102-125mm f3.5 zoom lens

Note: One of the pictures shows the projector with a Carousel tray. By default the projector comes with no slide tray but 80 or 140 types are available as add-ons.  

This is a great workhorse Kodak Ektagraphic III E Plus 35mm film projector. It is fully compatible with Kodak Carousel slide projector trays and lenses. The Ektagraphic series projectors are very similar to the consumer Kodak Carousel feature a grounded plug and heavier chassis to make them more suitable for institutional/professional use. 

Another nice aspect of the Ektagraphic III series is that it uses inexpensive and easy-to-find FHS (long life) and EXR (extra bright) type lamps.