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