CAT NO: DIDACTICNLE-Export-002041
Electroscope Pith Ball.
Electroscope Pith Ball Science Labs Naugra Export is Manufacturer,
Exporter & Supplier of Electroscope Pith Ball
Product description:
We have mounted an insulated stand on a solid round base. Over the hook
at the stands end you dangle a silk thread with a light pith ball
attached to each end. Pith balls react sensitively to static charges
like those from a charged friction rod. Comes with 3 strings and six
8mm. pith balls.