TY  - JOUR
T1  - Preliminary Note on a New Method of Measuring Directly the Double-Refraction in Strained Glass
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 79
IS  - 532
SP  - 440
EP  - 442
PY  - 1907/08/02/
UR  - http://dx.doi.org/10.1098/rspa.1907.0055
M3  - doi:10.1098/rspa.1907.0055
AU  - Filon, L.
ER  -