TY - JOUR T1 - On a New Arrangement of Binocular Spectrum-Microscope JF - Proceedings of the Royal Society of London (1854-1905) VL - 17 SP - 443 EP - 448 PY - 1868/01/01/ UR - http://dx.doi.org/10.1098/rspl.1868.0089 M3 - doi:10.1098/rspl.1868.0089 AU - Crookes, W. ER -