A Prism art projector.
https://www.artograph.com/projectors/prism/
High quality single lens, tabletop opaque projector for convenient horizontal projection of artwork, designs, patterns, prints and line drawings. The Prism:tm: lens is reversible to achieve a wide projection range from 80% reduction up to 20 times enlargement in full color. Includes 500-Watts of photo quality lighting for a whiter and brighter image. Magnetic door latches and a spring clip keep copy securely in place. Generous 7 x 7 inch (177.8 x 177.8 mm) top-loading, glass covered copy area makes for easy placement of large copy, books, or small 3-D objects. Fan cooled and thermal overload circuit protects originals from overheating. Darkened room required.