New 3M 1800 BJ2 Overhead Projector Classroom Transparency Projector

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

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

3M Overhead Transparency Projector 1800 BJ2 BROKEN POWER SWITCH DOES NOT STAY ON

3M Compact Folding Portable Overhead Projector 2000 AG Carrying Case Tab G2U

3M 2000 AG Overhead Projector - Briefcase Portable - Transparency Projector

3M Overhead Projector 1800 series

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