GSC International, Inc.

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  • DC Voltmeters

    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.

  • Resonance Apparatus

    GSC International, Inc.

    The unit measures the velocity of sound in the air. Partially fill the resonance tube with water and then sound a tuning fork of known frequency at the tubes open upper end of the Resonance Tube. The water level can be adjusted until the air in the tube resonates at the same frequency as the tuning…

  • 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…

  • 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…

  • 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…

  • Glass Prisms

    GSC International, Inc.

    Prism Smooth Polished Glass Surface Optically Clear Individually Boxed

  • Magnifying Bug Viewer

    GSC International, Inc.

    Get a better look at your specimen with the Magnifying Bug Viewer. Constructed with a 2.5X acrylic lens, and a 5cm square grid on the bottom surface which can be used as a gauge to compare size and proportion.

  • 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.

  • Double Concave Lens

    GSC International, Inc.

    Lenses - Glass with ground edges - Double Concave

  • 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.

  • 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…

  • Glass Marbles

    GSC International, Inc.

    Sold by the dozen.

  • Convection of Liquid

    GSC International, Inc.

    Illustrates the properties of convection current. The water and dye filled glass frame is heated at the bottom corner. The convection currents are seen as the die is moved through the glass tube. Similar to the circulation of a hot water system. Instruction 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…

  • Double Convex Lens

    GSC International, Inc.

    Glass with ground edges - Double Convex

  • 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…

  • 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.

  • Pressure Syringe Demonstration

    GSC International, Inc.

    Demonstrates that pressure is transmitted uniformly in all directions. The unit consists of 2" diameter glass bulb and plunger. The bulb has a series of holes in a plane. When pressure is applied to the plunger water is expelled at an equal distance in all directions. Instruction included.

  • Banana Plug/Alligator Connectors

    GSC International, Inc.

    The connector cord set have Cross-Patch/Stacking Banana Plugs on one end and a Alligator Clip on the other end. The alligator clip has an insulated sleeve for safety and the cords are flexible and durable. The set includes 6 cords; 3 black and 3 red.

  • Electrodes

    GSC International, Inc.

  • Quincke's Interference Demonstration

    GSC International, Inc.

    In this acoustic experiment, two Y-shaped glass tubes are connected by two flexible tubes of different lengths. Hold a struck tuning fork at the end of one tube and the waves flow down the tube to the Y where the tubes divide. However, this apparatus makes the waves in one fork of the Y travel half…

  • 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.

  • 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…

  • Lens Set

    GSC International, Inc.

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

  • Flask Type 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…

  • Solar Powered Car

    GSC International, Inc.

    Explore "green energy" on a small scale. This solar car operates on sunlight or a rechargeable "AA" battery. A four-position switch allows you to choose between running the car on the solar cell or battery, recharging the battery from the solar cell, or "off". The car can also operate using a…

  • Vapor Density Bulb

    GSC International, Inc.

    Borosilicate glass bulb with drawn tip for Dumas method. Determine the vapor density and molecular weight of liquid. Bulb diameter 75mm, Bulb capacity 200ml.

  • Knife Switches

    GSC International, Inc.

  • 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.

  • 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…

  • 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.

  • 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…

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