A more sensitive form of quadrant electrometer was developed by Frederick Lindemann.
2.
It was the forerunner of Kelvin s quadrant electrometer ( described below ).
3.
Kelvin utilised similar photographic means for his quadrant electrometer ( see above ) in the 1860s.
4.
While the term " quadrant electrometer " eventually referred to Kelvin's version, this term was first used to describe a simpler device.
5.
Also large ( from today's perspective ) devices, mostly made from wood and copper, to measure and display electricity ( 1900 1930 ) : volt meters, a universal bridge, mirror galvanometers, a quadrant electrometer.
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