
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
circa 1930
1927
1926
1926
1934
1925
1928
1924
1927
1928
1932
1955; 1830
1925-1928
1927-1929
1931
1931
1927
1932
1928
1925
1931
circa 1925
1930
1930
circa 1927
1925
1990-96
1925-1930
1931
1926
1839 (original); circa 1988 (replica)
1801-1892 (prepared); 1946 (element replaced)
1928
1930
Before 1932