These superior quality unmounted Double Convex Lenses with ground edges are useful for teaching a variety of optical principles.
These Tubular Spring Scales are calibrated in both Grams and Newtons with transparent bodies and each size is color coded for identification.
These are high form porcelain crucibles with lid covers.
These Flint Reagent Bottles have a wide mouth and come with Ground Glass stopper.
These aprons are built for durability and protection from everything from natural materials to chemicals. The rubber cloth apron is impermeable and easy to clean.
