3 ms·
This is not a million miles away from Kelvin's Mirror Galvanometer (yes, that Kelvin, after whom the Kelvin was named). https://en.wikipedia.org/wiki/Mirror_ga
by Daub 6y ago
This is not a million miles away from Kelvin's Mirror Galvanometer (yes, that Kelvin, after whom the Kelvin was named).
https://en.wikipedia.org/wiki/Mirror_galvanometer https://en.wikipedia.org/wiki/Mirror_galvanometer