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  • Resistance Box, Decade Pattern Quick View
    • Resistance Box, Decade Pattern Quick View

    • Resistance Box, Decade Pattern

    • For rapid measurement and hard use. Each dial has a zero position and 10 steps, with fully aged constantan coils. Accuracy ±0.1%. Single Dial.
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  • Resonance Tube Apparatus Quick View
    • Resonance Tube Apparatus Quick View

    • Resonance Tube Apparatus

    • Let your class measure the velocity of sound in the air! After partially filling the resonance tube with water, sound a tuning fork of known frequency at the tube's open upper end. Then the water level can be adjusted until the air in the tube resonates at the same frequency as the tuning fork, increasing the volume of the sound.…
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  • Retort Stand Quick View
  • Retort Stand Quick View
    • Retort Stand Quick View

    • Retort Stand

    • Mild steel base, stove enameled, fitted with one levelling screw and nylon feet, with chrome plated mild steel rod.
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  • Right Angle Holder Quick View
  • Right Angle Prism, Glass Quick View
    • Right Angle Prism, Glass Quick View

    • Right Angle Prism, Glass

    • Top quality prisms for experiments in diffraction, dispersion, and spectrum formation. Right angle, glass. Ages 7+
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  • Ring Manet set 6 colors Red, Orange, Purple, Yellow, Green, Blue Quick View
    • Ring Manet set 6 colors Red, Orange, Purple, Yellow, Green, Blue Quick View

    • Ring Manet set 6 colors Red, Orange, Purple, Yellow, Green, Blue

    • Strong ceramic donut magnets sealed in un-breakable colorful plastic cases. The North and South poles are located on opposite faces for ease of use. Can be used to determine if an object is magnetic. A set of 2 or more ring magnets can be used to demonstrate attraction and repulsion between poles, better known as the “Floating Magnets Experiment”. 1.25X.25”…
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  • Ring With Clamps Quick View
    • Ring With Clamps Quick View
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    • Ring With Clamps

    • Cast iron with side arm & V clamp to fit rods upto 13 mm. The distance from the support clamp center to the center of the ring is 4½" for all rings. Fits ¾" rods.
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  • Ripple Tank Quick View
    • Ripple Tank Quick View

    • Ripple Tank

    • Transparent acrylic plastic ripple tank, supported in a sturdy plastic frame which has recesses to hold four legs with leveling feet. The tank edges are shaped to minimize undesired reflections. The tank has a drain hole closed by a rubber stopper. With two light alloy uprights to carry a horizontal ripple support rod that is adjustable for height. The ripple…
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  • Ripple Tank, Dual Purpose Quick View
    • Ripple Tank, Dual Purpose Quick View

    • Ripple Tank, Dual Purpose

    • This dual-purpose tank is a versatile apparatus allowing all types of waves and wave motion. With an illuminator lamp and important accessories included it forms a complete ready-to-use unit. The unique design and size allow it to be used on an overhead projector as well. Supplied in foam packing and consists of the following components : Ripple Tank 40 x…
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  • Roman Arch Quick View
    • Roman Arch Quick View

    • Roman Arch

    • Demonstrates the typical concept behind the architecture of roman arch structures, which are famous for their strength in compressive loading. Comprises a pre-assembled 3-part buttress and a set of 23 wooden blocks. A fully assembled arch can easily support the weight of a child.
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  • Rotary Spring Balance Quick View
    • Rotary Spring Balance Quick View

    • Rotary Spring Balance

    • With effective scale lengths of nearly 9″, Rotary scales offer greater accuracy than linear scales. All balances are graduated in gram/Newton. Dial: 3″ diameter metal suspension ring at top and hook at bottom.
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