TY - JOUR T1 - Circular concerning Astronomical Photography JF - Proceedings of the Royal Society of London (1854-1905) VL - 35 SP - 260 EP - 261 PY - 1883/01/01/ UR - http://dx.doi.org/10.1098/rspl.1883.0044 M3 - doi:10.1098/rspl.1883.0044 AU - Pickering, E. ER -