Description

Acrylic bell-in-vacuum jar with an internal 4-6V DC electric bell that fades and falls silent as the enclosed air is removed

Neoprene Bunsen burner hose sized to fit 8-10 mm gas-inlet connectors

and the triboelectric series

and inner ear anatomy for upper-level anatomy teaching

Electroscope Needle Light & Optics_Reflection & Refraction Acrylic bell-in-vacuum jar with anPivoted 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.

Exchange/Return Notes

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Electroscope Needle Light & Optics_Reflection & Refraction Acrylic bell-in-vacuum jar with an

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