Synchronous mains electric clock of the self-starting type
1934
1934
1938
1938
1945
circa 1938
1934-1935
1932-1936
1943
1935
1940
1940
1937
1937
1938
1938
1932
1945
1942
1931
1936
1931
1940-1945
1935-1945
1935
1931
1935
1938
1932-1942
1940
1938
1938
1935
1938
1936
1935
1934
1939-1945
1943
1933
1940
1937-1938
1937-1937
1955; 1830
1937-1938
1945
1935
1933
1934
1935
1935