TY  - JOUR
T1  - An Electrostatic Voltmeter for Photographic Recording of Atmospheric Potential
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 84
IS  - 574
SP  - 585
EP  - 588
PY  - 1911/02/15/
UR  - http://dx.doi.org/10.1098/rspa.1911.0011
M3  - doi:10.1098/rspa.1911.0011
AU  - Walker, G.
ER  -