
Ferranti AF5 Transformer and Coils
1910-1930
1910-1930
1955
1980-1995
1950
1960-1980
1910-1920
1954
1910-1930
1933-1940
1910-1950
1942-1947
1950
1910-1930
1935-1939
circa 1935
1930-1940
1890
1950
circa 1890
1904
1900
1951
1936
1946
1949-1951
1960
1930-1950
1950
1969
1940-1950
1946
1938
1932
1931
1933
1959
1932
1940-1960
1937