TY - JOUR T1 - On the Photographic Transparency of Various Bodies, and on the Photographic Effects of Metallic and Other Spectra Obtained by means of the Electric Spark JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 152 SP - 861 EP - 887 PY - 1862/01/01/ UR - http://dx.doi.org/10.1098/rstl.1862.0037 M3 - doi:10.1098/rstl.1862.0037 AU - Miller, W. ER -