Description

Hand-cranked to convert mechanical work into electrostatic energy

and the triboelectric series

and inner ear anatomy for upper-level anatomy teaching

Stamped with element symbols for quick identification

Electroscope Needle Light & Optics_Reflection & Refraction Hand-cranked to convert mechanical workPivoted needle style electroscope that swings on its axis when a charge is applied, providing an introductory tool for studies of induction, transfer, and the triboelectric series.

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Electroscope Needle Light & Optics_Reflection & Refraction Hand-cranked to convert mechanical work

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