![](https://coimages.sciencemuseumgroup.org.uk/703/712/large_thumbnail_1997_1311__0002_.jpg)
Meteorological Office aneroid barometer Mark I
1940
1940
1884
1914
1940
1950
1923
1850
1870-1890
1876
1831-1870
1848
1914
1895-1905
1997
1850
1997
1871-1900
1912
1945-1954
1875
1915-1925
1871-1906
1900-1920
1986
1895-1905
1963
1875
1964
1925-1983
1885-1993
circa 1900
circa 1880
circa 1910
1875
1943-1983
1984
1850-1900
1913-1916
circa 1910
1871-1900
1900-1924
1944