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.
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.
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.
