Synchronous mains electric clock of the self-starting type
1934
1934
circa 1930
circa 1930
1932
1930
1931
1931
1931
1930
1934
1933
1955; 1830
1933
1934
circa 1930
1934
2000-100 BCE
1930-1931
1932
Before 1932
1932
1934
1930
1933
1933
1990-96
1934
1930
1931
1930 (replica); 1834 (original)
1934
1801-1892 (prepared); 1946 (element replaced)
1933
1903 (original); 1982 (model)
1930
1830 (original); 1967 (model)
1931
1932-1933
1839 (original); circa 1988 (replica)
1934
1930-1932
1930-1932
1930-1932
1931
4000-2001 BCE
Before 1932
1930
1930s
circa 1930s
1930s