TY - JOUR T1 - On the Automatic Registration of Magnetometers, and Meteorological Instruments, by Photography. No. IV JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 142 SP - 19 EP - 24 PY - 1852/01/01/ UR - http://dx.doi.org/10.1098/rstl.1852.0003 M3 - doi:10.1098/rstl.1852.0003 AU - Brooke, C. ER -