Synchronous mains electric clock of the self-starting type
1934
1934
1938
1938
1945
1946
1950-1951
circa 1938
1946
1948
1946
1943
1948
1947
1935
1940
1940
1937
1937
1950
1938
1938
1951
1950
1951
1945
circa 1950
1942
1936
1946
1949
1935-1945
1935
1935
1938
1947
1940
1938
1938
1935
1938
1936
1951
1950
1951
1934
1950-1952
1939-1945
1935
1948
1940-1944