Willis world clock, 1929-1935
1929-1935
1929-1935
1825
1946-12-13
1946-12-13
Unknown
1997
1965-1970
1847-1854
1780-1820
1932
1939
1935
1935
1935
1935
1935
1934
1935
1930
circa 1937
1930
1933
1938
1938
1936-7
1935
1934
1932
1935
1997
1667
1801-1900
1932-1-13
1750-1775
1965-1975
1987
1984-1985
1984
1933
circa 1957
1934
1960
circa 1935
1935
1927