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 is pH Test Paper Neutral Litmus, 100 strips per vial. Used to test for acid or alkili.
These screw form Hoffman Clamp allows added control by a screw type adjustment which allows more or less air or liquid through.
These Borosilicate Glass Cylinders come with removeable stands for added stability and a bumper guard to prevent breaks.
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).
These porcelain evaporating dishes are completely glazed inside and outside except for the bottom.
The Two Way Burner Stand is ideal for use with alcohol burners. The base is made from 3/16" stainless steel rod with a plated steel mesh top. Stand can be used in either high or low positions.