TY  - JOUR
T1  - Memorandum on the Kew Heliograph
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 92
IS  - 637
SP  - 199
EP  - 203
PY  - 1916/01/01/
UR  - http://dx.doi.org/10.1098/rspa.1916.0006
M3  - doi:10.1098/rspa.1916.0006
AU  - Chree, C.
ER  -