TY - JOUR T1 - Additional Note to the Paper on a Supposed Alteration in the Amount of Astronomical Aberration of Light Produced by the Passage of the Light through a Considerable Thickness of Refracting Medium JF - Proceedings of the Royal Society of London (1854-1905) VL - 21 SP - 121 EP - 121 PY - 1872/01/01/ UR - http://dx.doi.org/10.1098/rspl.1872.0025 M3 - doi:10.1098/rspl.1872.0025 AU - President, . ER -