GSC International, Inc.

Spring Scales are used to weigh loads and are used in physical science experiments as a basic accelerator. Spring Scales use Hooke’s law to determine the size of the force stretching the spring by measuring the displacement. The spring scale has a clear body that is graduated, a mounting ring at the...

The polypropylene Buchner funnels are two-piece, lightweight, and easy-to-clean. The top portion snaps into the bottom forming a vacuum tight seal. The funnel has an opening with an inside diameter of 90mm. And they are fully autoclavable.

These glass microscope cover slips come pre-cleaned, and are great when using microscope slides. They are 22 mm by 22 mm, 18 mm by 18 mm size #1 thickness, and come in boxes of 100 cover slips.

Both sides of the clamp have screw-type fittings that allow you to lock, release, or tighten as needed. The boss head clamp will accept rods up to 1.9cm in diameter. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including BPA, nickel, and lead, which are known to the State of...

Our general-purpose filter papers are available in a variety of diameters. Sold in boxes of 100 pieces of paper. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

These red rubber 5mL dropping pipette bulbs are intended to be used on the end of a glass dropping pipette. Comes sold as a pack of 12.

Our Glass Dropping Pipettes consist of a glass tube attached to a 5mL bulb. We also sell replacement bulbs. Sold in packs of 12.

A quality borosilicate glass burette with PTFE stopcock. The PTFE stopcock is almost freeze proof and does not require grease. Subdivided 0.1mL

These quality round bottom boiling flasks are made from heat-resistant borosilicate glass, and have 24/40 ground glass joints and thick walls. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects,...

The Snaky Spring is 2cm in diameter, 180cm long, and can be extended up to 5 meters. The spring is an excellent demonstration of wave theory concepts such as longitudinal waves and wave behavior. It is also included in the Wave Demonstration Set . Instructions included. PRODUCT WARNINGS WARNING:...

This Power Supply is perfect for any science lab. This is a simple, cost-effective, and practical device. It has an Output of 2-12 volts AC & DC and an easily read digital display. The input is 110V AC 50Hz.

A visual demonstration of how a lung is emptied and filled with air by the relaxation and contraction of the diaphragm muscle. Two balloons are attached to a glass "Y"-tube and simulate the lungs. The chest cavity is a plastic bell jar. The rubber sheet is used to represent the diaphragm....

The unit is bigger than standard electroscopes for easy viewing. The leaf is larger and the wide radius of swing provides a visual and sensitive demonstration. The unit also features a built in scale which helps to determine the amount of charge generated. The metal case is strong and resistant to...

The Bunsen Burner can be used with natural gas or cylinder propane gas. The burner has a knob that allows you to adjust the height of the flame and a sturdy cast iron base that provides stability.

These Separatory Funnels are made from quality borosilicate glass, and come with a glass stopcock. They are commonly used in liquid-based extractions to separate the parts of the mixture into two solvent phases of different densities. PRODUCT WARNINGS WARNING: This product can expose you to...

Nickel plated steel. Overall length 5".

The Serological Pipettes are used to transfer liquids in a laboratory. The sterile serological pipettes are individually packaged. They have a capacity of 10ml and are graduated by 0.1ml. They are plastic and graduated in black and have a color-coded band at the top for easy identification. Sold as...

Support Stand made from cast iron, with an enamel finish that is acid resistant. Includes a zinc plated steel rod that screws into the base support. Available in the following sizes: 4x6" Base, 5/16" x 18" Rod 5x8" Base, 3/18" x 20" Rod 6x9" Base, 1/2" x...

The Mechanical Wave Kit helps students explore standing wave patterns at different resonant frequencies. The Mechanical Wave Kit was designed to include everything needed to study wave patterns. This is 0.5mm thick x 1 meter long string which is a replacement part used in the Mechanical Wave Kit.

Heat Insulated Pads with low thermal conductivity. Made from flexible alumina and silica oxides with a smalll amount of organic binder. Useful for protecting surfaces when working with hot items like crucibles or flasks. Size 6 x 6". Pack of 12.

The stainless-steel crucible with cover helps you eliminate broken crucibles. These durable and long-lasting crucibles perform all the same experiments as you do with porcelain crucibles.

The angles of incident and refractive rays are easy to see with the help of a built-in laser. The water that is added to the tank provides a surface for reflecting the laser light. The laser light can be positioned and fixed at any point around the graduated circle. The prisms and mirrors included...

Physics balls can serve a number of different purposes in both the classroom and lab setting. These solid balls are 25mm in diameter and each have no holes or hooks. Sold in a pack of 10 balls.

C-Clamps are used in the lab for securing support stands to lab benches and for a multitude of other applications. Their frames are made with cast metal painted with corrosion resistant paint. The screw is steel plated. This is a 6" clamp.