![](https://coimages.sciencemuseumgroup.org.uk/53/722/large_thumbnail_1935_0008__0003_.jpg)
Willis world clock, 1929-1935
1929-1935
1929-1935
1930
1935
1935
1997
1825
1965-1970
circa 1937
1938
1938
1936-7
1935
1930
1935
1934
1932
1932
1934
1935
1933
1939
1935
1935
1935
Unknown
1946-12-13
1946-12-13
1847-1854
1780-1820
1801-1900
1960
1927
1923
1935
1927
1941
1935
1933
1932
1940
1933
1930
1930
1934
circa 1935
1939
1935