Wade-Dahl-Till valve was partially built by the novelist of what nationality?
Roald Dahl Roald Dahl ( , ] ; 13 September 1916 – 23 November 1990) was a British novelist, short story writer, poet, screenwriter, and fighter pilot. His books have sold more than 250 million copies worldwide.
Walter Raymond Walter Raymond (13 March 1852 – 2 April 1931) was an English novelist. He wrote many novels between 1890 and 1928, primarily based in Somerset, and also wrote under the pseudonym Tom Cobbleigh. Some of his titles include "Gentleman Upcott's Daughter" (1892), "Love and Quiet Life" (1894), "Fortune's Darling" (1901), and "Verity Thurston" (1926). He died in Southampton on 2 April 1931 at the age of 79. Raymond's work is long out of print and currently gets little attention, although some novels are now available for free online.