
Robinson cup anemometer by Munro
1926-1932
1926-1932
1926
1931
1924
circa 1930
1930
1928
1931
1928
1925-1928
1926
1927
1924
1931
1925
circa 1930
1924
1927
1926
1928
1925
1923
1924-1927
1934
1931
circa 1925
2000-100 BCE
1923
1927
1930-1931
1932
1955; 1830
before 1928
Before 1932
1927-1929
1925-1927
1932
1927
1932
1925
1928
1926
1930-1932
1930-1932
1930-1932
1839 (original); circa 1988 (replica)
1927
circa 1927
1929
1925-1930