Safety lamp, Clanny no.5, from the Royal Commission on Accidents in Mines, 1879-86, maker E. Thomas, Aberdare, marking: makers name and trademark, 1870 Clanny Safety Lamp, 1870 1870
Safety lamp, Stephenson, by George Knight & Son, London, marking: makers name, 1839-1857. Stephenson's Safety Lamp, 1839-1857 1839-1857