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 screw form Hoffman Clamp allows added control by a screw type adjustment which allows more or less air or liquid through.
These superior quality unmounted Double Convex Lenses with ground edges are useful for teaching a variety of optical principles.
These are high form porcelain crucibles with lid covers.
This Liebig Condenser is made from heat resistant borosilicate glass for efficiency and high speed condensing. The Liebig condenser has a long tube. The inner tube is sealed to the large water cooling jacket. An inlet and outlet tube are sealed to opposite sides of the jacket (200mm).