GSC International, Inc.

Connector cords are useful in various electricity experiments, as well as in many apparatuses that require connections to power supplies. All of our connector cords are made of 18 gauge insulated wire. These cords are 24" long and have alligator clips on each end. Sold as a pack of 6 cords, 3 red...

A multimeter is a tool that is used to measure electrical properties such as current, voltage, resistance, and frequency. It is a very useful tool in a physics classroom studying electrical circuits. This is a digital multimeter with a 3.5 digit LCD display, 9 volt battery and instructions. Range AC...

The plastic microscope box has a hinged lid and holds 10 microscope slides. The bottom of the box is numbered for identifying the slides.

The burner stand is used to support a crucible or light weight dish above a burner, such as an alcohol burner. The mesh is made from a plated steel. The mesh can be placed on the frame to produce a higher or low position.

Hooked Brass Weight, 200 grams. The weight has multiple uses in the lab or science classroom. This weight is hooked above and it has a recessed bottom with a bar which allows multiple weights to hang in tandem. It is not certified but rather used as a basic item in a classroom environment.

Prepared Microscope Slides with specimens from insects. The quality glass slides have a specimen mounted in the center, with clear mounting medium and a glass coverslip. The name of the specimen is on each slide. The slides are in a plastic box with a divider to hold them in an upright position. The...

Manufactured by GSC International, Inc., this Polystyrene Petri Dish is an essential tool for any laboratory conducting biological or chemical research. Offering an ideal environment for cell growth and microbial cultures, it is crafted using polystyrene, ensuring durability and resistance to most...

This hand protector is ideal for gripping hot beakers, flasks, bottles, and other objects. It is made of molded silicone rubber and features gripping surface to prevent slipping. The silicone rubber can withstand temperatures up to 120°C. PRODUCT WARNINGS Our products are not toys . Use in a...

Litmus is a water-soluble mixture of different dyes extracted from lichen. Dyeing filter paper either red or blue with this ink creates one of the oldest forms of testing alkalinity and acidity. Blue litmus paper turns red under acidic conditions. Sold in boxes of 100 strips of paper.

Quality, laboratory grade Cork Stoppers. Available in the following sizes: Size 000 Size 00 Size 0 Size 1 Size 2 Size 3 Size 4 Size 5 Size 6 Size 7 Size 8 Size 9 Size 10 Size 11 Size 12 Size 14 Size 16 Size 20 Size 22, Agglomerated Assorted: Sizes #3-7,10, 11, and 12 Assorted: Sizes #0-11

The plastic microscope box has a hinged lid and holds 100 microscope slides. The bottom of the box is numbered for identifying the slides.

This high-quality lens and prism set is useful for teaching a wide variety of optical principles. You get three lenses and four prisms. The lenses are polished on all surfaces. Sizes vary from 52mm to 88mm in length. Lenses include double concave, double convex, and semicircular. Prisms include...

A high quality porcelain crucible. The porcelain is uniform in thickness and dense which allows stable mechanical strength and little permeability. When properly used, the glazed pieces can withstand temperatures of 1050 degrees centigrade. The crucibles are glazed on the inside and outside surface.

This kit has all the necessary components to explore standing waves. Instructions included. Includes: 1 Variable frequency generator 1 Spool of string 1 Support Stand 1 Steel rod 1 Power cord 1 Chladni Plate 1 Vibration generator 2 Connector cords 5 Weights 1 Fastening piece 6 Bi-convex shapes 1...

This steam distilling kit, made from heat-resistant borosilicate glass, is intended to produce botanical essential oils. Includes: 1 Erlenmeyer Flask, 500ml (#EF500) 1 Distillation Flask with Thermometer Holder, 1L with a 24/40 ground glass joint (#FLSK-24-40-1L) 1 Biomass Flask 1 Distilling Arm...

Our polypropylene Separatory Funnel Holder accepts support rods between 9.5mm and 12.5mm in diameter. These holders can support separatory funnels as small as 250ml and as large as 2000ml. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children...

Litmus is a water-soluble mixture of different dyes extracted from lichen. Dyeing filter paper either red or blue with this ink creates one of the oldest forms of testing alkalinity and acidity. Red litmus paper turns blue under alkaline conditions. Sold in boxes of 100 strips of paper.

Cast iron construction with nickel plated thumb screws. Will accept rods up to 5/8" in diameter.

The Cork Borer Sharpener is used to sharpen the edge of a cork borer. To use it you insert the cone into the end of a cork borer. The blade is then placed on the edge of the cork borer and light pressure is applied to the back of the3 steel blade. Rotate the blade around the edge of the cork borer...

The economical compass is perfect for an earth science classroom or home school project. The body of the compass is 55mm diameter. The poles are brightly color coded and the compass is marked every 5 degrees and a hole is provided at the top for a lanyard.

This is adurable metal back thermometer with glass alcohol filled thermometer. The dual scale ranges from

Flint glass is also known as soda lime glass. When compared to borosilicate glass, it has a lower melting point, chemical resistance, and expansion rate. Our flint glass tubing has a wall thickness of 1mm to 1.2mm, and is available in various pack sizes. All of out flint glass tubing is sold in 24"...

The wide range test paper has a range of 1 to 14. It allows you to test the acidity or alkalinity of a solution with more accuracy than the pass/fail nature of red and blue litmus paper. The wide range test paper is provided with a color indicator card. The kit includes 12 indicator cards and there...

24A00B442 These 2oz cobalt blue bottles come with a dropper assembly and have 20/400 necks. Sold in a pack of 12 dropper bottles. 24A00B443 These 4oz cobalt blue bottles come with a dropper assembly and have 22/400 necks. Sold in a pack of 12 dropper bottles. 24A00B438 The Bottles are Flint Glass,...