TY  - JOUR
T1  - Quadrant Electrometers
JF  - Philosophical Transactions of the Royal Society of London. A (1887-1895)
VL  - 182
SP  - 519
EP  - 564
PY  - 1891/01/01/
UR  - http://dx.doi.org/10.1098/rsta.1891.0013
M3  - doi:10.1098/rsta.1891.0013
AU  - Ayrton, W.
AU  - Perry, J.
AU  - Sumpner, W.
ER  -