
Electrical recording mercury-in-glass weather balloon thermometer, 1843
1843
1843
1837
1861
1865
circa 1855
1851
1856
1851
1830
1850-1853
1857
1853
1838
1837
1836
1837
1837
1836
1837
1836
1836
1837
1837
1847
1837
1838
1837
1837
1837
1850
1837
1837
1837
1837
1837
1837
1837
1850/08/10
1837
1836
1837
1837
1837
1838
1846
circa 1840
1843
1831-1835
1833
circa 1834