Cheap and dependable Gets very hot after four hours Basic overhead...Good for schools and small business on a budget...Lens will crack if you place anything heavier than a chemistry book upon it...
3m1810 Overhead Projector - compare prices and find other 3M Projectors/Presentation Devices at CNET Shopper.com, trusted online shopping for computers and electronics...
3M™ Glass Bubbles for Thermal Insulation. Refining & Petrochemical. Transportation & Storage ... Make a lasting impression with the 3M Overhead Projector Model 1810. ...