This is a Concave/Convex Glass Spherical Mirror , 50mm D x 15cm FL.
These Bomex glass boiling flasks have a round bottom and accomodate a variety of stopper sizes and volumes depending on the flask chosen.
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.
These Tubular Spring Scales are calibrated in both Grams and Newtons with transparent bodies and each size is color coded for identification.