TY - JOUR T1 - On the Strain Theory of Photographic Action JF - Proceedings of the Royal Society of London (1854-1905) VL - 70 SP - 185 EP - 193 PY - 1902/01/01/ UR - http://dx.doi.org/10.1098/rspl.1902.0019 M3 - doi:10.1098/rspl.1902.0019 AU - Bose, J. ER -