TY - JOUR T1 - On the Effect of Polish on the Reflexion of Light from the Surface of Iceland Spar. JF - Proceedings of the Royal Society of London (1854-1905) VL - 41 SP - 463 EP - 465 PY - 1886/01/01/ UR - http://dx.doi.org/10.1098/rspl.1886.0114 M3 - doi:10.1098/rspl.1886.0114 AU - Spurge, C. ER -