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Attention Thomas Scientific Customers

Due to the current pandemic, lead times for PPE items are longer than what is listed on our website. Please expect shipping delays of all PPE products during this time.

  • 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…

  • Alligator Clip Leads

    United Scientific Supplies

    Flexible, 18swg stranded wire cord with alligator clips at both ends. Alligator clips have protective vinyl sheath.

  • Galvanometers

    GSC International, Inc.

  • 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.

  • Electrodes

    GSC International, Inc.

    Our flat metal electrodes are 18mm by 100mm (approximately 0.75" by 4"). We carry electrodes made from seven different metals: aluminum, brass, copper, iron, zinc, nickel, and tin. Use them in your own experiments with electricity.   PRODUCT WARNINGS WARNING: …

  • Knife Switch

    United Scientific Supplies

    Knife Switches for low voltage experiments (less than 36V) with plastic bases. These items are available with either thumbscrew or spring binding posts.

  • Digital Voltmeters

    GSC International, Inc.

    Our Digital Voltmeters are simple, have an easy-to-read display, and run on a 9V battery. We sell several different voltmeters with different ranges of measurable voltages. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene and lead, which are known…

  • 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.

  • Conductivity of Solutions Apparatus

    United Scientific Supplies

    This 3V conductivity tester demonstrates the electrical properties of various liquids. The item consists of a molded plastic lamp socket mounted on a base with 2 binding posts for connecting a wire cord. It comes complete with bulb, glass tumbler, and instruction manual.

  • Electricity Meters

    United Scientific Supplies

    Our meters are mounted in black plastic cases. Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw. Meters are not protected against prolonged or significant overload. Stackable for storage.

  • This Electricity System 1 Physics Kit comes with 51 components, including a Circuit Board, and all the resistors, lamps, voltmeters and ammeters one needs to investigate core concepts in introductory electricity. With this kit students can explore common experiments such as Ohm’s Law,…

  • Miniature Lamp Holder

    United Scientific Supplies

    Suitable for miniature base lamps. Accepts all replacement bulbs listed on this page. Plastic base, with brass screw type receptacle and two terminals. Miniature Bulbs for use with lamp boards and lamp/bulb holders.

  • Battery Holder

    United Scientific Supplies

    Plastic Battery holder available with Fahnestock Clips, wire leads, or fahnestock clips and jointers.

  • Light Leaper Accessory

    United Scientific Supplies

    This is a popular accessory for electrostatic demonstrations. An insulating printed circuit board carries a metallic conduction path with six breaks and a binding post at each end. When connected to an operating electrostatic generator, simultaneous sparks occur in each of the breaks as charge…

  • Helmholtz Coil

    GSC International, Inc.

    Helmholtz coils are useful for creating near-uniform magnetic fields or for cancelling out external magnetic fields, such as the earth’s. The field between the two solenoids is at its most uniform when the distance between them is equal to the radius of the solenoids. This can also be used with a…

  • Van De Graaff Generator

    United Scientific Supplies

    This large van de Graaff generator uniquely offers alternative drive modes, either hand-cranked or motor driven. Excellently constructed, the generator reliably delivers charge and sparks 10cm long and more immediately on setting it in motion, even under high humidity conditions. In hand-cranked…

  • Mini Motor Model

    GSC International, Inc.

    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.

  • This Electricity System 2 Physics Kit is a supplemental kit to Electricity System 1 and comes with 51 components, including a Circuit Board, and all the transformer coils, relays, and motors one needs to investigate core concepts in introductory electricity. With this kit students can explore…

  • Hand Held Generator

    United Scientific Supplies

    The United hand held generator offers features and quality similar to much more expensive brands currently offered in the science education market. This 6V DC Generator can deliver up to 400mA current. The generator comes equipped with a polarity coded plug in lead with alligator clips. The clear…

  • 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…

  • 9-Volt Battery Connector

    United Scientific Supplies

    An insulated snap-on connector with 15cm red and black leads.

  • Digital Ammeters

    GSC International, Inc.

    Our Digital Ammeters are simple, have an easy-to-read display, and run on a 9V battery. We sell several different ammeters with different ranges of measurable amperages. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene and lead, which are known to…

  • Mini Lamps

    GSC International, Inc.

  • Multimeter

    United Scientific Supplies

    Compact analog multimeter offers popular features such as AC voltage, DC voltage, DC current, Ohms, measures capacitance and decibels, and comes with overload protection and diode test. Includes test leads and instruction manual. Operates on 2 AA size batteries (included).

  • 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.

  • Knife Switches

    GSC International, Inc.

  • Miniature DC Motor for Solar Experiments

    United Scientific Supplies

    Solar motor is specifically designed for experiments using low starting voltage (0.5V) and current (25mA). Speed: 1000-5000 RPM. Motor is approximately 38mm long x 24mm in diameter. Shaft size is 8mm long x 2mm in diameter. Includes soldered-on 4" wire leads.

  • 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.

  • Friction Rod

    United Scientific Supplies

    Friction Rods are 12"; long unless noted. Excellent for demonstrating static electricity

  • The Electrostatic System Physics Kit comes with 26 components, including an electroscope, pith balls, and various rods one needs to investigate core concepts in introductory electrostatics. With this kit students can explore common experiments such as The Gold Leaf Electroscope, Positive and…

  • Miniature DC Motor, with Alligator Leads

    United Scientific Supplies

    This miniature DC motor is designed for experiments using low starting voltage (4.5V) and current (70mA). Speed: 1000-5000 RPM. Motor is approximately 34mm long x 24mm in diameter. Shaft size is 10mm long x 2mm in diameter. Includes soldered-on 7" lead with alligator clips.

  • 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…

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