1052962 BENJAMIN BALL

 

Prodcution Info

Overall size :150*70*200MM named after Benjamin Frankli […]

Features

Product features:

Overall size :150*70*200MM

named after Benjamin Franklin, although Andrew Gordon invented them around 1742. Franklin famously used them to detect approaching thunderstorms.

The device consists of two bells on nonconductive mounts, and a small conductive ball hanging on a thread between them.

CopyRight:2003-2020 LIONET SCIENCE & EDUCATION (HK)CO.,LIMITED
Address: 2# XINHENG SANLU,CICHEN,NINGBO CHINA.