TY - JOUR T1 - Scattering of Light by Dust-Free Air, with Artificial Reproduction of the Blue Sky. Preliminary Note JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 94 IS - 662 SP - 453 EP - 459 PY - 1918/06/01/ UR - http://dx.doi.org/10.1098/rspa.1918.0029 M3 - doi:10.1098/rspa.1918.0029 AU - Strutt, R. ER -