Description

and a central control module

Polished 8cm brass sphere on an ebonite-insulated metal base

this microphone amplifier connects a microphone input to both an integrated speaker and an oscilloscope-driving amplified signal for waveform study

the wider face area handling broader incident beams for refraction and wavelength experiments

Electrostatic Friction Rod Kit, 3 Cloths and 3 Rods Type_Round End and a central control moduleElectrostatic friction rod kit pairing wool, cotton, and silk cloths with glass, ebonite, and acrylic rods for triboelectric charge generation experiments in series.

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

Electrostatic Friction Rod Kit, 3 Cloths and 3 Rods Type_Round End and a central control module

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