Theory of the Haskell Organ Pipe
Arthur Taber Jones · The Journal of the Acoustical Society of America · 1937
A quarter of a century ago William Haskell developed an organ pipe which is like an ordinary open pipe with a smaller tube, closed at the top, inserted in it. This pipe gives the full series of harmonic partials usually obtained from an open pipe of length equal to the sum of the lengths of the outer tube and the inner one. The theory of the pipe is here developed and checked experimentally.