TY  - JOUR
T1  - Report on the Capacities, in Respect of Light and Photographic Action, of Two Silver on Glass Mirrors of Different Focal Lengths
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 44
SP  - 168
EP  - 182
PY  - 1888/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1888.0019
M3  - doi:10.1098/rspl.1888.0019
AU  - Pritchard, C.
ER  -