Yes, it must be isolated electrically so the ball can be the only carrier of static charge.
George Dowell On 2019/07/22 06:01 PM, Laurence Motteram wrote: > Does the string really have to be a very good insulator? It is long and has > a small cross section, and is electrically in parallel with the case of the > battery. > > Best Regards, > > Laurence Motteram > Calibration & Service Manager > Scientific Devices Australia > Ph: +61 (0)3 9569 1366 > M: +61 (0)425 765 019 > https://scientific-devices.com.au > [email protected] > > -----Original Message----- > From: volt-nuts [mailto:[email protected]] On Behalf Of Dr. > David Kirkby > Sent: Tuesday, 23 July 2019 4:17 AM > To: Discussion of precise voltage measurement > Subject: [volt-nuts] Can anyone suggest a good flexible insulator to make an > "Oxford Bell" > > I have been discussing with some friends about the Oxford Bell with a view > to making one. One guy can not believe a battery can last 175 years. > > Anyway, I was wondering what would make a good insulator to suspend the > ball. I thought of nylon fishing like, but can anyone think of a better > insulator? Obviously PTFE is a good insulator, but it's not exactly > flexible. Nor is sapphire. > > Dave _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/volt-nuts_lists.febo.com and follow the instructions there.
