GSC International, Inc.

These Semi-Micro Thistle Tubes have stems that are 4mm in diameter and 300mm long. They are made from borosilicate glass. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including arsenic, which are known to the State of California to cause cancer, birth defects, or other...

This is an attractive table-top model of the fascinating Stirling Engine. The Stirling engine is a heat engine and is much more efficient than an internal-combustion engine that is often used in cars. The engine uses a system called the Stirling Cycle. The Stirling Cycle uses an external heat...

These wide-mouth flint glass reagent bottles come with ground glass stoppers and are available in multiple capacities. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including arsenic, which are known to the State of California to cause cancer, birth defects, or other...

Borosilicate Glass. Available with and without base. With and without graduations.

A tuning fork is an acoustic resonator. When struck it produces several tones, a fundamental and a harmonic. The tone is primarily determined by the length of the tines. Longer tines vibrate more slowly and produce a lower tone. This tuning fork can play the note C at 256 Hz.

The Two Potato Clock is a fun demonstration of the principles of an electrochemical cell. The blue plastic potato (fruit) clock has two compartments designed to hold potatoes or fruit. The coils, one red and one blue, are inserted into a different potato while the green coiled wire is connected to...

Pipette pumps are essential for filling pipettes with the accuracy needed in the lab. Our pumps grip pipettes tightly, have both a thumb-wheel for precision in delivery and a quick-release option, and are easily cleaned. They come in 2ml, 10ml, and 25ml capacities. PRODUCT WARNINGS Our products are...

Our digital thermometer can accurately read temperatures between -50°C and 300°C with a 0.1°C distinguishing rate and an accuracy of ±1°C. This thermometer can save the last measurement value and switch between °C and °F. Uses a 357A button cell battery. PRODUCT WARNINGS WARNING: This product can...

This 6" by 6" square of silk can be used to observe the relationship between friction and electricity. Sold individually.

Designed to maintain the hygiene and longevity of your lab's glassware, these beaker brushes are an essential addition to any scientific environment. Their durable bristles are engineered for efficient and gentle cleaning, ensuring that your beakers remain residue-free and in pristine condition. The...

The polypropylene Buchner funnels are two-piece, light-weight, and easy-to-clean. They are fully autoclavable. The top portion snaps to the bottom forming a vacuum tight seal. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

These Volumetric Flasks are made from quality borosilicate glass, and come fitted with a PTFE stopper. Volumetric flasks are used to contain a very precise volume of liquid or other substance at a particular temperature. Class B. PRODUCT WARNINGS WARNING: This product can expose you to chemicals...

This is LED lamp bulb is 5W. It can be purchased as a replacement bulb for our gooseneck table top lamps ( #120015 ). PRODUCT WARNINGS WARNING: This product can expose you to chemicals including arsenic and lead, which are known to the State of California to cause cancer, birth defects, or other...

The Mechanical Wave Kit helps students explore standing wave patterns at different resonant frequencies, longitudinal waves and the node and antinode points on the wave. The Mechanical Wave Kit was designed to include everything needed to study wave patterns. It includes a Sine Wave Generator that...

These Volumetric Flasks are made from quality borosilicate glass, and come fitted with a ground glass stopper. Volumetric flasks are used to contain a very precise volume of liquid or other substance at a particular temperature. Class B. PRODUCT WARNINGS WARNING: This product can expose you to...

This wash bottle can hold up to 500ml of solution and is ungraduated. Its stem has a leak-proof seal to the cap and is flexible like a straw. Made from low-density polyethylene. Sold as a pack of 10.

Sold by the dozen.

This single burner hot plate with skid proof rubber feet has a heating surface 154mm in diameter. Heat can be adjusted via a dial. 1000 watts. Operates using a 110V outlet.

A cast iron clamp with nickel plated steel set screws. Sold individually. Available in the following sizes: 2" OD 3" OD 4" OD 5" OD 6" OD

This hook is attached to a collar that fits around a support stand rod. There is a 19mm inside diameter. Its uses are up to you. Support stands sold separately. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, which are known to the State of California to...

A model of an AC/DC motor that demonstrates permanent and electromagnet motors. All the parts are packed in a protective plastic case that is used as the base of the motor during assembly. Everything is included. Size approximately 6 x 4 x 1/5". Instructions included.

A high quality Distillation Apparatus, supplied with heat resistant borosilicate Flask and Graham Condenser. The flask is fitted with a 24/40 ground glass penny stopper and the extension arm is fitted to the condenser with a 19/38 ground glass fitting. The kit is supplied with a support stand, buret...

This device is useful for cutting glass tubing. It has a single blade. We also sell replacement cutter wheels . PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, which are known to the State of California to cause cancer, birth defects, or other...

1 pound pack of assorted solid rubber stoppers. Sizes and quantities are as follows: Size 00: 4 each Size 0: 4 each Size 1: 4 each Size 2: 3 each Size 3: 3 each Size 4: 3 each Size 5: 3 each Size 6: 3 each Size 7: 3 each