
Radio tuning coil No. 150, 1922-1923
1922-1923
1922-1923
1922-1923
1922-1923
1922-1923
1900-1910
1930-1950
1904
1934-1935
1932-1936
1899
1901
1901
1899
1900-1910
1926
1900-1920
1907
1930
1945-1948
1936
1937
1935
1894
1923-1948
1938
1933
1938
1901
1900
1920
1924
1935
1910
1897
1902
1899
1896
1930
1920
1949
1920-1928
1772 (original); 1919 (model)
1948
1939
1933
1946-1950
1931
circa 1900-circa 1948
1930-1939
1801-1840 (original); 1901 (model)