Safety lamp, Wolf, Clanny type, from the Royal Commission on Accidents in Mines, 1879-86, maker: C. Wolf, Zwickau, Saxony, marking: Patent C. Wolf, 1883, with lighting device (see 2 stroke numbers). Safety lamp
Safety lamp, Wolf no.4, Clanny type, from the Royal Commission on Accidents in Mines, 1879-86, maker: C. Wolf, Zwickau, Saxony, 1883 (facsimile fuel vessel) Safety lamp