TY  - JOUR
T1  - On an Instruement for Indicating and Measuring Difference of Phase between E.M.F. and Current in Any Alternating Current System
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 56
SP  - 250
EP  - 252
PY  - 1894/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1894.0103
M3  - doi:10.1098/rspl.1894.0103
AU  - Cardew, P.
ER  -