Budd Wentz Productions, producer of the Wentzscope, may be found in Oakland, California at 8619 Skyline Boulevard, zip 94611-1635 or by phoning 510-531-1214. -Steve Eichner Research Analyst, ASTC [log in to unmask] ______________________________ Reply Separator _________________________________ ... Maybe you're thinking of the WentzScope? They are extremely rugged microscopes with a viewer that's about 6" in diameter. Had one in the children's museum where I used to work -- still working almost 10 years later. Sorry, I don't have an address handy. Chris Landry