TY  - JOUR
T1  - On the Limiting Distance of Speech by Telephone
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 42
SP  - 152
EP  - 158
PY  - 1887/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1887.0029
M3  - doi:10.1098/rspl.1887.0029
AU  - Preece, W.
ER  -