TY  - JOUR
T1  - On the Measurement of the Chemical Intensity of Total Day-Light Made at Catania during the Total Eclipse of Dec. 22, 1870. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 19
SP  - 511
EP  - 514
PY  - 1870/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1870.0085
M3  - doi:10.1098/rspl.1870.0085
AU  - Roscoe, H.
AU  - Thorpe, T.
ER  -