Induction coil with interrupter made by J. Newman
1840-1857
1840-1857
1874
1898
1981
1900
1900-1910
1881
1968
1920-1940
1890
1916
1898
1950-1959
1925-1950
1870
1910
1953
1902
1879
1900-1980
1890-1900
1876
1926-1954
circa 1905
1907
1851-1877
1920-1925
1903-1929
1901-1920