Dear Plant-Eders, I have inherited a Sherer Controlled Environment Chamber Model Cel 4-4 but have no information about it at all. Does anyone know anything about this chamber or the company, Sherer-Gillett? Many thanks, Elaine R. Radwanski, Ph.D. Biology Department Carthage College Kenosha, WI 53140 voice: 414-551-5865 email: elaine1 at carthage.edu