Miner's safety lamp, made by Richard Johnson, Clapham & Morris Ltd, c. 1910
1890-1900
1890-1900
circa 1910
1890
circa 1950
1960
circa 1960
26/10/1970
circa 1880
circa 1920
1860-1870
circa 1960
circa 1930
1970
1970
1910
circa 1948
1970
1870-1890
1880-1890
1934
1873
circa 1920
1890-1910
1875
circa 1911
circa 1920
circa 1925
1880
1890
circa 1930
circa 1935
circa 1880
circa 1900
1873-1880
1935
1970
circa 1925