Open scale barograph by Short & Mason Ltd.
1944
1944
2007
1943
1794
1819-1821
1939-1949
1960-1969
1940-1974
unknown
1794
1992
1992
circa 1881
circa 1880
circa 1880
circa 1880-1885
circa 1886
1837
1900-1938
1900-1938
1831-1860
1925-1935
1947-1949
1947-1949
1947-1949
1761-1820
1761-1820
1945-1955
1783-1785
1796
1790-1800
1796
1796
1794
1962
1940-1974
1945-1964
1960-1979
1809-1842
1969
circa 1880
Late 18th or early 19th century
circa 1886
1965-1975
1804-1859
1730-1770