TY - JOUR T1 - On the Chemical Action of the Rays of the Solar Spectrum on Preparations of Silver and other Substances, Both Metallic and Non-Metallic; and on Some Photographic Processes. JF - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843) VL - 4 SP - 205 EP - 210 PY - 1837/01/01/ UR - http://dx.doi.org/10.1098/rspl.1837.0100 M3 - doi:10.1098/rspl.1837.0100 AU - Herschel, J. ER -