3M 1880 Overhead Projector with Bulb Lamp Model 1800BJI. NEW!

3M 2000 AG Overhead Portable Briefcase Projector - Foldable Compact Tested Works

3M Overhead Projector 1800 series

3M 1800 Overhead Projector tested with Lamp WORKS Perfect!

3M 2000 AG Overhead Portable Briefcase Projector - Foldable Compact Tested Works

Vintage 3M 1700 Overhead Projector Home School Office Tested Works!

3M 1800 Overhead Projector with 2 Bulbs Model 1800 BJ2 Tested and Working

3M 1800 BJ2 Overhead Projector Classroom Transparency Projector has new lamp