Davy lamp, made 1820
1820
1820
1920-1980
1951
1996
1899
1938
circa 1944
1920-1940
1890-1920
1911
circa 1935
1952
circa 1955
1948
circa 1925
1853
circa 1899
1908
circa 1930
circa 1850
1831-1870
1820
1930
1730-1760
1875
circa 1950
1900-1980