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