|
Faraday's Ice Pail for demonstrating that charges reside on the outside of a conductor.(1) |
|
Biot's Hemispheres, for showing an electric charge resides on the outside of a conductor. These fit over the hollow sphere above.(2) |
(1)Cenco catalogue J200, page 512
(2) Welch Scientific catalogue, 1965, page
184
Back to Topical Index Back to Maker Index Back to Device Index Back to Date Index