When connected to a Van de Graaff generator, electrostatic action causes the ball to circle around the dish. (Shown with Insulating Stand N-140 sold separately.)
Disc: Ø 14cm.
Wabash Model #N-141.
Instructions for Racing Ball
Forensics Lab Supply Number 3178141.
Purchase orders may be sent by email to Staff @ grauhall.com or by mail to 8524 Erinbrook Way, Sacramento, CA 95826.
All products shipped from Wabash, Indiana.