TY  - JOUR
T1  - A New Formula for a Microscope Object-Glass
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 21
SP  - 111
EP  - 118
PY  - 1872/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1872.0023
M3  - doi:10.1098/rspl.1872.0023
AU  - Wenham, F.
ER  -