TY  - JOUR
T1  - On a Cassegrain Reflector with Corrected Field
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 88
IS  - 602
SP  - 188
EP  - 191
PY  - 1913/03/31/
UR  - http://dx.doi.org/10.1098/rspa.1913.0018
M3  - doi:10.1098/rspa.1913.0018
AU  - Sampson, R.
ER  -