GSC International, Inc.

Glass lens is made of polished optical glass. 24A00B457 This double-concave glass lens measures 75mm in diameter and has a focal length of 20cm. Sold in a pack of 20 lenses. 24A00B458 This double-convex glass lens measures 75mm in diameter and has a focal length of 20cm. Sold in a pack of 10 lenses....

24A00B400 The stainless-steel dissecting pan is made from a high-quality steel with rolled edges and a tapered side which allows the pan to be stacked.  The pan is supplied with a blue Plastisol liner.  Plastisol is self-healing and will hold pins securely during dissection...

The meters are ideal for numerous electrical and laboratory experiments. Full scale and fully enclosed, with accuracy +/- 2.5%, and a 7.5 cm scale length. Color Coded. Supplied with binding posts and external zero-adjustment.

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 perfect tool for suspending a crucible. The uniform clay tubes supports the crucible and the galvanized iron wire resists rusting.

These quality flat bottom boiling flasks are made from heat-resistant borosilicate glass, and have narrow mouths, tooled top finishes, 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...

The Newton's Cradle is more than a cool novelty decoration, it is a beautifully simple demonstration of some core concepts of physics and mechanics. With the Newton's Cradle, you can explore concepts such as the conservation of energy, momentum, elastic collisions and friction. Provided with a well...

This slotted weight set includes the following: Nine 20g brass slotted weights One 10g brass slotted weight Two 5g brass slotted weights One 50g hanger PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth...

Prism Smooth Polished Glass Surface Optically Clear Individually Boxed

A syringe is used as an airtight piston that is mounted on a wood base and platform. Mechanical pressure in the form of weight, is placed on the platform, which changes the volume gas. You then plot the volume of gas versus the pressure to obtain a good approximation of Boyle's Law. The unit...

  Optical Bench Student Demo A simple form Optical Bench that provides an accurate demonstrations of basic optics principles. It uses a metric meter stick as the support bench. The complete system includes: meter stick 100cm length, 1 object market, 1 object screen, 1 screen support, 1 pair of...

Precise Caliper with roller adjustment and locking screw. Double scale graduations in both metric and English, 120mm x 1mm and 5" x 1/16".

This simple form Anemometer is used to demonstrate wind speed. The unit is made from corrosion resistant materials to withstand weather conditions. One of the four cups is colored red so you can easily count the number of rotations. The approximate size is 220mm x 160mm. Instructions included.

This is a durable, metal back thermometer, with glass alcohol filled glass tube. The range is -30 TO 110 Celsius and -20 TO 230 Fahrenheit.

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

These are replacement carbon disc for the Spark Timer (TKTMR). The Spark Timer is a recording device used to measure the velocity and acceleration of a falling or moving object. It sparks at uniform intervals, leaving marks on a paper tape. The distance between the marks on the tape are used to...

Electrolysis Unit Hoffman Standard The apparatus is supplied with the Hoffman Glass Collecting Tube and Reservoir #57001. The Collection Tubes are graduated to 60ml x 0.2ml subdivision. The top of each tube is fitted with ground glass stopcocks. The Reservoir Tube is 16" in length and is...

A contact key is used for experiments which require momentary current. The contact key is used to open or close a circuit. The key is mounted on a 3” x 4.5” x 3” black base with two binding posts. The arm of the contact key is plated metal with an insulated button.

Borosilicate Glass Petri Dish with reinforced rims

These disposable transfer pipettes are non-sterile and made from low-density polyethylene (LDPE) plastic. Our 3ml pipettes are graduated up to 1ml in 0.25ml increments and are 140mm long, our 5ml pipettes are graduated up to 1ml in 0.25ml increments and are 150mm long, and our 7ml pipettes are...

The Serological Pipettes are used to transfer liquids in a laboratory. The sterile serological pipettes are individually packaged. They have a capacity of 2ml and are graduated by 0.02ml. They are plastic and graduated in black and have a color-coded band at the top for easy identification.

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 D at 288 Hz.

Borosilicate glass tubing has a low expansion rate and high chemical resistance, which makes it the most popular type of glass for laboratory use. Our borosilicate glass tubing has a wall thickness of 1mm to 1.2mm, and is available in various pack sizes. PRODUCT WARNINGS Our products are not toys ....

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, including two Chladni plates. Sand is used with the Chladni plates to show the wave patterns produced by...