TY - JOUR T1 - Notes on Alteration Induced by Heat in Certain Vitreous Rocks; Based on the Experiments of Douglas Herman, F.I.C., F.C.S., and G. F. Rodwell, Late Science Master in Marlborough College JF - Proceedings of the Royal Society of London (1854-1905) VL - 40 SP - 430 EP - 441 PY - 1886/01/01/ UR - http://dx.doi.org/10.1098/rspl.1886.0060 M3 - doi:10.1098/rspl.1886.0060 AU - Rutley, F. ER -