
Robinson cup anemometer by Munro
1926-1932
1926-1932
1926
1931
2000-100 BCE
1927
circa 1930
1930-1931
1932
before 1928
1932
1927
1930
1928
1931
1932
1928
1928
1955; 1830
1926
1927
Before 1932
1927-1929
1924
1931
circa 1930
1933
1927
1933
1926
1928
1926
1934
1931
1930
1933
1930-1932
1930-1932
1930-1932
1839 (original); circa 1988 (replica)
1927
1931
1903 (original); 1982 (model)
1933
1931
Before 1932
1933
4000-2001 BCE
1928
circa 1927
1929