
Robinson cup anemometer by Munro
1926-1932
1926-1932
1952-3
1926
1926
1930
circa 1930
1925
1928
2000-100 BCE
Before 1932
before 1928
1932
1930-1931
1931
1927
1924
circa 1930
1610; 1923
1924
1927
1926
1926
1923
1924-1927
1934
1923
1925
1928
1933
1924
1923
1927
1928
1932
1955; 1830
1925-1928
1927-1929
1931
1931
1927
1932
1933
1928
1925
1931
circa 1925
1930
1930
circa 1927
1925