TY - JOUR T1 - An Apparatus for Testing the Sensitiveness of Safety-Lamps JF - Proceedings of the Royal Society of London (1854-1905) VL - 50 SP - 122 EP - 126 PY - 1891/01/01/ UR - http://dx.doi.org/10.1098/rspl.1891.0015 M3 - doi:10.1098/rspl.1891.0015 AU - Clowes, F. ER -