TY  - JOUR
T1  - On Luminous Efficiency and the Mechanical Equivalent of Light
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 80
IS  - 535
SP  - 19
EP  - 25
PY  - 1907/12/09/
UR  - http://dx.doi.org/10.1098/rspa.1907.0069
M3  - doi:10.1098/rspa.1907.0069
AU  - Drysdale, C.
ER  -