These plastic petri dishes are used in laboratories for essential experiments in the field of growing and studying sciences.
These Tubular Spring Scales are calibrated in both Grams and Newtons with transparent bodies and each size is color coded for identification.
These porcelain Spot Plates for observing reactions with color changes are useful for micro chemistry applications.
These superior quality unmounted Double Convex Lenses with ground edges are useful for teaching a variety of optical principles.