TY - JOUR T1 - On the Structure of Certain Microscopic Test-Objects, and their Action on the Transmitted Rays of Light JF - Proceedings of the Royal Society of London (1854-1905) VL - 7 SP - 139 EP - 143 PY - 1854/01/01/ UR - http://dx.doi.org/10.1098/rspl.1854.0034 M3 - doi:10.1098/rspl.1854.0034 AU - Brooke, C. ER -