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Price:
$7.95
Demonstrate the action of a compass and Earth’s magnetic field with this uncovered magnetic needle. Needle has North marked in red and pivots on a central brass and nylon bearing. Non-magnetic support measures 3-9/10" H with a 2-1/... More. |
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Price:
$20.95
A quick and clean way to visualize magnetic fields. The unit is a transparent acrylic case that holds iron filings in a fluid of proper viscosity. Simply place a magnet (bar magnet, horseshoe magnet, etc.) on the device, and the iron filings will move t... More. |
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3-D Magnetic Field Demonstrator
Price:
$39.75
Allows students to observe magnetic fields in three as well as two dimensions. This unique device consists of two half hexagonal acrylic containers with metal filings. The two parts, connected with hinges, can be swung open or closed. A strong bar magne... More. |
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