3M 1880 Overhead Projector Folding Tested Works with Bulb Lamp Model 1800BJI

3M 2770 Overhead Projector – Fully Working – Good Vintage Condition

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

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

3M Overhead Projector 9100 Model 9000AJB - Transparent w/ BULBS - Tested WORKING

3M 2000 Portable Overhead Projector with Hard Grey Case - Tested / Fully Working

3M 9080 9000AJD Overhead Projector - Tested