TY - JOUR T1 - Best Conditions for Photographic Enlargement of Small Solid Objects JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 82 IS - 553 SP - 181 EP - 183 PY - 1909/05/06/ UR - http://dx.doi.org/10.1098/rspa.1909.0024 M3 - doi:10.1098/rspa.1909.0024 AU - Mallock, A. ER -