TY - JOUR T1 - On the Quantitative Analysis of Certain Alloys by means of the Spectroscope JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 164 SP - 495 EP - 499 PY - 1874/01/01/ UR - http://dx.doi.org/10.1098/rstl.1874.0014 M3 - doi:10.1098/rstl.1874.0014 AU - Lockyer, J. AU - Roberts, W. ER -