TY  - JOUR
T1  - On Practical Methods for Rapid Signalling by the Electric Telegraph. (Second Communication.)
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 8
SP  - 303
EP  - 307
PY  - 1856/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1856.0074
M3  - doi:10.1098/rspl.1856.0074
AU  - Thomson, W.
ER  -
