
Pendulum weight for eight-day pendulum table clock with star-wheel magnetic escapement
1947-1949
1947-1949
1947-1949
1951
1931
1948
1950
1948
1939
1951
1950
1932-1933
1931
1949
1951
1949
1935
1940-1050
circa 1936
1942
1940
1944
1942
1939
1951
1943
1943
1943
1931
1948
1939-1945
1946
1937
1934
1945-1946
1980-1910
2000-1000
3500-1000
3000-2000 BCE
1943
1943
1943
1943
1943
1943
1943
1943
1943
1945-1950
1936
1949