The Physics, Math and Design of the Non-Mechanical Folk Flute by Lew Paxton Price. Detailed analysis of the many different types of folk flutes in terms of their construction, acoustic dynamics and evolved design. Panpipes, whistles, nose flutes, diagonals, and end-blown flutes like the kena and native North American flute as well as transverse instruments used in traditional cultures throughout the world. Illustrations, frequency chart, genealogy of the flute. Focused on flute design and bore configuration, this guide combines an understanding of basic algebra with a love for hand-craftmanship to aid those who desire to make their own quality instruments.