Description
Pivoted needle-style electroscope that swings on its axis when a charge is applied
demonstrating the mechanism behind crankshaft pistons and steering racks
Two-speed ticker timer kit printing 25 or 40 dots per second on paper tape via carbon discs
Regulated dual AC/DC power supply displaying voltage and current on independent digital readouts
Alnico U-Shape Magnet, 50 x 10 x 9mm Pack Size_Single Pivoted needle-style electroscope that swingsUsed to demonstrate field concentration across a small pole gap, this 50 x 10 x 9mm Alnico U shape carries an 18mm gap and ships with a keeper for storage between investigations.
Exchange/Return Notes
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