electrified with quantities of electricity of the same kind and in the ratio of 20 to 5. Here each point is surrounded by a system of equipotential surfaces...
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English...
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English determination method or standard: SHA-1...