Greenhouse thermometer by Dudley Adams of Fleet Street. Mercury in glass on wooden board
1978
1978
1592-1600 (original)
1976-1977
1876-1895
1952
1950-1953
1889
1880-1890
1894 (apparatus); 1742 (date of experiment)
1878
1840-1900
1950-1989
1851-1880
1836-1846
1900-1911
1751-1800
1700-1799
1870-1875
1872-1879
1886-1930
1960-1979
1948-1953
1994
1901-1920
1900-1906
1717-1800
1990-1999
1849
1800-1899
1876-1895
1960
1700-1799
1871-1989
1900-1906
1880-1890
1915-1925
1894
1987
1850-1924
1875
1970-1979
1850-1924
1900-1982
1700-1799
1945-1955
1920-1930
1987
1606-1616 (original)
1989-1999