Laboratory Pulverizer is a disc tyBe grinder. designed to grind virtually any maienal to produee afine mesh sample in one operation. lt is a self contained grinder" with a rotary disc. having aplanelary movement in a verlical is done betneen ttrio discs one stationery and the other revolving eccentrically at highspeed. fne Oiscs are made from heat treated alloy sleel.