Protector Lamp Co. miner's unbonneted Marsaut safety lamp
circa 1880
circa 1880
circa 1930
1880-1890
circa 1950
circa 1960
circa 1920
1860-1870
1890
1960
circa 1960
1970
circa 1948
1970
1970
circa 1910
1890-1900
1910
1870-1890
1934
26/10/1970
circa 1900
1875
circa 1925
circa 1920
circa 1930
circa 1935
circa 1880
1970
circa 1925
1880
circa 1911
1890
1873-1880
1935
1873
circa 1920
1890-1910