GSC International, Inc.

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  • Osmosis Thistle Tubes

    GSC International, Inc.

    A visual demonstrate osmotic pressure. A borosilicate glass thistle tube with a thistle (bulb) on one end, covered in a natural membrane. When the membrane is filled with sugar solution and immersed in water, the liquid is in the tube will rise, demonstrating osmotic pressure.

  • Optical Bench

    GSC International, Inc.

    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…

  • Electric Calorimeter

    GSC International, Inc.

    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…

  • Glass Prisms

    GSC International, Inc.

    Prism Smooth Polished Glass Surface Optically Clear Individually Boxed

  • Wimhurst Machine

    GSC International, Inc.

    The Wimhurst Machine is a visual and powerful tool used to create static electrical charge and high voltage sparks. The Leyden jars and disc are made of durable clear acrylic. The upright support and pulleys are plastic and resistant to breakage. Aluminum sheets are mounted to the sides of the…

  • Gold Foil Case Electroscope

    GSC International, Inc.

    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…

  • Double Convex Lens

    GSC International, Inc.

    Glass with ground edges - Double Convex

  • Alligator Clip Connector Cords

    GSC International, Inc.

    The connector cords feature alligator clips with insulated sleeves for safety and the flexible cords are plastic coated for durability. Sold as individual cords.

  • Tantalus Cup

    GSC International, Inc.

    A glass cup with a U-tube attached. When water reaches the top of the inverted U-tube, a siphon action begins which drains the water until the end of the U-tube is exposed. When the cup is filled with water, the water is forced up the inverted U-tube so that equilibrium is maintained in the cup. As…

  • Friction Rods

    GSC International, Inc.

    The Friction Rods are useful in a variety of electrostatic demonstrations. 603-1: Made of glass tubing and sealed on one end 603-2: Made for a solid glass rod and the edges of the glass are ground to a smooth finish 603-3: Made for a solid glass rod and the edges of the…

  • Electrostatic Set

    GSC International, Inc.

    Contains Hollow Friction Rod, Solid Friction Rod, 1/2 Ground Friction Rod, Ebonite Rod, Wool Pad, Silk Pad, Faux Fur Pad, 3-Balloons and 10 feet of String. Instructions included.

  • Lung Apparatus

    GSC International, Inc.

    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. As the…

  • Resonance Tubes

    GSC International, Inc.

    Borosilicate glass with permanently fused and accurate graduations

  • Banana Plugs

    GSC International, Inc.

    The connector cord set have Cross-Patch/Stacking Banana Plugs which allows you to connect to another Banana Plug on both the side or back of the first plug. The cords are plastic coated and flexible. The set includes 6 cords; 3 black and 3 red.

  • Lamp Board

    GSC International, Inc.

    Lamp Board with acrylic base and 4 lamps is a useful tool when demonstrating parallel circuits. Fitted with four binding posts for quick connection to a power supply. Teachers guide included.

  • Dissectible Electromagnet

    GSC International, Inc.

    A U-shaped electromagnet having two removable excitation coils, armature with hook, and terminals mounted at the top of each coil. Overall length approximately 13cm. Instructions included.

  • Assorted Balls for Physics

    GSC International, Inc.

    Balls sold individually and in a variety of sets. Choose from aluminum, brass, copper, cork, glass, lead, steel, wood, and zinc. Sizes include 19mm and 25mm. Pick from one of the following styles: drilled center hole, solid, and with hooks. Ball sets include: 42003-19: 19mm diameter with…

  • Metal Case Electroscope

    GSC International, Inc.

    An economical electroscope consisting of aluminum leaves mounted on a metal rod (item #4-50160) held by a rubber stopper in a 250ml flask. Instructions included. The rod assembly can be use as a replacement unit on 4-50150 or 4-50170. The rod assembly is an aluminum rod with an aluminum ball…

  • Veturi Tube Apparatus

    GSC International, Inc.

    The unit consists of a plain tube with a constriction in the middle and a three leg manometer connected by rubbing tubing. A good kit for illustrating Bernoulli's Law. Instructions included.

  • Balance Demonstration Stand

    GSC International, Inc.

    The kit includes the pieces to build a simple balance demonstration. Consists of a knife edge clamp, meter stick, metal support and cast iron base. The knife edge clamp is often used on a balance demonstration to hold a meter stick or for suspending a weight from a meter stick. Made from nickel…

  • DC Ammeters

    GSC International, Inc.

    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.

  • Convection Box

    GSC International, Inc.

    Demonstrates the flow of convection currents in a gas. Place a small, lit candle under one open chimney, the use touch paper or a wood splint to introduce smoke into the opposite chimney. The heat from candle will cause the air to flow and the smoke can be observed traveling down into the box and…

  • New York Demonstration Balance

    GSC International, Inc.

    Demonstrate the relationship between length of the lever arm, moment of force, and amount of force. The unit is designed to help students to understand the principles of torque and its properties. The Kit includes: a 50cm meter stick, a cast iron support stand, 3-knife edge clamps, 1-50 gram hooked…

  • Lens Set

    GSC International, Inc.

    50mm diameter Set 6 - double convex, plano-convex, concavo-convex, double concave, plano-concave, and convexo-concave

  • Precision Gyroscope

    GSC International, Inc.

    A Gyroscope is a fascinating mechanical device that at time seems to defy the laws of gravity. The unique characteristic of a gyroscope is that once it is set spinning, it tends to want to remain in its original plane regardless of rotation of its housing. The tendency to resist change in direction…

  • Dynamics Cart

    GSC International, Inc.

    For performing experiments in conservation, velocity, elastic collision, acceleration and momentum. The set contains two high impact plastic cars with snap in wheels and two spring steel bumpers with rubber stopper assemblies. Each car has a recession for holding additional weight. The approximate…

  • Knife Switches

    GSC International, Inc.

  • Aquatic Net

    GSC International, Inc.

    Net opening 5.5" x 4", Handle length 11"

  • Neon Wand

    GSC International, Inc.

    A glass tube filled with neon gas and closed on both ends. The neon gas will glow when a high frequency or high voltage field is passed over the wand. Instructions included.

  • Cartesian Diver Apparatus

    GSC International, Inc.

    A visual demonstration of buoyancy and atmospheric pressure. A glass Cartesian diver 2.5" tall rises and lowers in a column of water as the pressure is increased and decreased. Increased pressure is obtained by compressing a rubber sheet stretched over a water filled cylinder. A red band around the…

  • Pulleys

    GSC International, Inc.

    The Pulleys wheels are made of plastic and mounted securely in an aluminum housing with a hook on both the top and bottom for suspension.

  • Guinea and Feather Experiment

    GSC International, Inc.

    The experiment demonstrates the same rate of fall for objects of different masses. The plastic cylinder has rubber closures on the ends. One end has a hose connection that is used to evacuate air. The coin (guinea) and feather fall simultaneously because air resistance has been removed.

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