TY  - JOUR
T1  - On the Method of Examination of Photographic Lenses at the Kew Observatory
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 52
SP  - 403
EP  - 451
PY  - 1892/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1892.0087
M3  - doi:10.1098/rspl.1892.0087
AU  - Darwin, L.
ER  -