TY - JOUR T1 - Determinations of the Dip at Some of the Principal Observatories in Europe by the Use of an Instrument Borrowed from Kew Observatory JF - Proceedings of the Royal Society of London (1854-1905) VL - 17 SP - 280 EP - 286 PY - 1868/01/01/ UR - http://dx.doi.org/10.1098/rspl.1868.0046 M3 - doi:10.1098/rspl.1868.0046 AU - Elagin, L. ER -