TY - JOUR T1 - An Optical Determination of the Variation of Stress in a Thin Rectangular Plate Subjected to Shear JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 86 IS - 587 SP - 291 EP - 319 PY - 1912/03/26/ UR - http://dx.doi.org/10.1098/rspa.1912.0022 M3 - doi:10.1098/rspa.1912.0022 AU - Coker, E. ER -