Hand anemometer with wooden case, Lind type with Snow Harris modification, by John Lilley & Son, 9, London Street, London, 1855-1859. Lid of case fitted with thread to mount anemometer with separate magnetic compass. Lind type hand anemometer, 1855-1859 1855-1859
Three items: Lind anemometer, 1775; Biram anemometer, 1846; Robinson cup anemometer, 1843. Four-cup anemometer, 1846 1846