Robinson cup anemometer by Munro
1926-1932
1926-1932
1938
1882-1894
1956
1963
1900-1940
1950
1867
1900-1930
1945
1940-1950
1942
1900-1930
1969
1900-1930
1965
1867
1940-1950
1942
1954
1961
1952
1890
1942
1986
1955
1957
1942
1924
1867