
instrument for measuring electrical conductivity
Found on
http://phrontistery.info/d.html

• (n.) A sort of electroscope, invented by Rousseau, in which the dry pile is employed to measure the amount of electricity transmitted by different bodies, or to determine their conducting power.
Found on
http://thinkexist.com/dictionary/meaning/diagometer/
Di`a·gom'e·ter noun [ Greek ... to transmit +
-meter .] A sort of electroscope, invented by Rousseau, in which the dry pile is employed to measure the amount of electricity transmitted by different bodies, or to determine their conducting power.
Nichol. Found on
http://www.encyclo.co.uk/webster/D/56
No exact match found.