"GSC International"

Perfect tool for suspending a crucible.

White graduations, numbered both upward and downward. With pourout and heavy molded base.

Made from quality flint glass with tapered ends for secure fitting of rubber stoppers or corks.

Elevate science demonstrations and experiments with this essential kit.

We sell many different sizes of dropper assemblies, varying by size, capacity, and the size of threaded neck they are designed to fit.

Economy glass burette choice.

Medicine droppers with straight glass.

The 3A, 1mA Digital DC Ammeter with high accuracy is small and light enough to connect with any circuit.

The silver-backed glass mirror measures 2×6", and has smooth ground edges.

Medium weight with wide flared top.

Fermentation tubes manufactured from borosilicate glass.

Heavy flint glass.

These heat-insulating pads with low thermal conductivity are made from flexible aluminum and silica oxides with a small amount of organic binder.

Made from high quality borosilicate glass.

These sterile, two-piece polystyrene Petri dishes are sold in sleeves of 20.

An Inexpensive Demonstration of Respiration.