Rotary air drill, Type R.A. I., for coal and medium hard stone, with 1 37/64” masonry drill bit, by Hardypick Ltd., Heeley, Sheffield, Yorkshire, England, 1948-1953 Rotary air drill 1948-1953
Safety lamp, Davy in case no.5, from the Royal Commission on Accidents in Mines, 1879-86, 1865-1880 Safety lamp
Safety lamp, McKinlees no.2, no specific type, from the Royal Commission on Accidents in Mines, 1879-86, c.1886 Safety lamp
Safety lamp, Shakespear no.8, Clanny type, from the Royal Commission on Accidents in Mines, 1879-86, marking: Shakespear patent, 1877-80 Safety lamp
Safety lamp, Davy in case no 8, Wharton's shut off, from the Royal Commission on Accidents in Mines, 1879-86 (glass broken), -1882 Safety lamp