
Gecophone broadcast receiver, model B.C 3200, 1924
1924
1924
1951
1927
1933
1956
1936-1955
1939
1936
1946-1948
1936-1955
1925
1935
1923
1934
1946
1927-1956
1925-1946
1956
1924-1927
1951-1953
1929-1935
1931
1950-1951
1953
1940-1944
1943
1937-1937
1942
1930-1955
1939-1955
1923
1940-1949
1925-1935
1925-1935
1937-1938
1937-1938
1925-1940
1946
1948
1925
1928
1932-1942
1938
1924
1955
1936
1935
1946
1927
1940