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Loading coil, 1910-1930
1910-1930
1910-1930
1914
1880-1885
1978-1984
1936-1940
1801-1820
1960-1987
1960-1987
1919-1922
1877
1900-1950
1860-1865; 1979
1962-1994
circa 1924
1921-1931
1962
2011
1850-1930
1812-1900
1812-1900
1920-1960
1900
1905-1915
1920-1930
1930-1935
1925-1935
1870
1950
1865-1880
1920-1940
1992-1993
1930-1940
1930-1950
1910-1920
1898
1925
1888
circa 1982
1900-1950
1950-1990
1926-1936
1890-1900
1780-1800
1930-1931
1750-1900