These plastic petri dishes are used in laboratories for essential experiments in the field of growing and studying sciences.
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.
The economical Aneroid Sphygmomanometer is sturdy and dependable. It measures blood pressure with Velcro arm cuff and easy to read dial. It comes with its own vinyl storage case.
