berretto in lana a costine nero 48413
US$ 27.50
Description
Polished 8cm brass sphere on an ebonite-insulated metal base
5 inches producing 50-60 dots per second via a vibrating striker
and a central control module
the wider face area handling broader incident beams for refraction and wavelength experiments
the lower-friction variant of the metal-bearing bench-clamp pulley in the series
Electrostatic Friction Rod Kit, 3 Cloths and 3 Rods Type_Round End Polished 8cm brass sphere onElectrostatic 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
