Meteorological Office aneroid barometer Mark I
1940
1940
1938 and 1951
1903 (original); 1982 (model)
1943
1942
1943
1942
2000-100 BCE
1943
1940
1942
1955; 1830
1940
1942
circa 1940
4000-2001 BCE
1940
1839 (original); circa 1988 (replica)
1990-96
1941
1940
1942
1943
1940
1934; 1947
circa 1942
1952-3
1830 (original); 1967 (model)
1942-1943
1940
1960-1979
2050-1750 BCE
1935; 1958
1942
2000-1001 BCE
1701-1800; 1982
1901-1930; 1963
1940
2000-100 BCE
1920-1923; 1963
1941-1943
1942
1975-1978
1940
1988 (model); 1752 (original)
1862-1877; 1965; 1965
3000-2500 BCE
2050-1750 BCE
2000-100 BCE
2500 BCE