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, Pieler, Davy type, use: gas testing, maker: Friemann and Wolf, Zwickau, marking: patent C. Wolf, c.1904 Safety lamp 1904
Safety lamp, Wolf, Eloin type, maker: Friemann and Wolf, Zwickau, 1897-1904. Safety lamp, Eloin type 1897-1904
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 1883