bell

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  • Instruments

    Bell Demonstration Model

    KWD 12.000

    Bell Demonstration Model

    KWD 12.000

    SKU: 0914-0120 Category:

    Description:

    • The demonstration model is mounted on a large panel to show the connections on a vertical stand.
    • All of the wiring is visible and components are of large size.
    • Operates on 3-6 volts AC.

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  • Instruments

    Bell in Vacuum Jar

    KWD 88.000

    Bell in Vacuum Jar

    KWD 88.000

    SKU: 0914-0119 Category:

    Description:

    • This is one of the apparatus to be used in scientific laboratories to demonstrate that sound needs a medium to travel.
    • Turn on the bell placed in this vacuumed jar.
    • Now during this experiment the sound that will be produced in this jar is not audible to our ears, as the sound waves can’t travel in a vacuum state and they need a material medium for its propagation.
    • It can also place on pump plates to perform experiments with diameter at least 15cm.
    • Excellent demonstration tool for science classrooms.
    • Size of Bell Jar : 9″x6

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  • Instruments

    Electric bell

    KWD 3.000

    Electric bell

    KWD 3.000

    SKU: 0914-0118 Category:

    Details

    • Plastic bell is design for wide range experiments such as sturdy pressed plastic box.
    • Dome gong diameter 75mm approx.
    • Built with a twin coil
    • Operates on both battery or low voltage transformer supply (6-12V AC/DC)
    • It comes with a detachable, snap-on plastic cover to show inner assembly.

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