TY  - JOUR
T1  - On the Differential Stethophone, and Some New Phenomena Observed by It
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 9
SP  - 196
EP  - 209
PY  - 1857/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1857.0046
M3  - doi:10.1098/rspl.1857.0046
AU  - Alison, S.
ER  -