Description
Five ceramic ring magnets at 1
Hand-cranked to convert mechanical work into electrostatic energy
configured to make and break a circuit at the rhythm of a Morse-code transmission for telegraph-history demonstrations
Designed to make electric field lines visible
5 newtons for measuring small forces during spring-law and tension-force classroom investigations
Spherical Conductor, 8cm Diameter Subcategory_Sound and Resonance Five ceramic ring magnets atPolished 8cm brass sphere on an ebonite insulated metal base, sized to retain induced charge through demonstrations of Coulomb's law and surface charge distribution.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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