Tin whistle all the holes closed, the whistle generates its lowest note, the tonic of a major scale. Successively opening holes from the bottom upward produces the rest of the notes of the scale in sequence: with the lowest hole open it generates the second, with the lowest two holes open, it produces the third and so on. With all six holes open, it produces the seventh. As with a number of woodwind instruments, the tin whistle's second and higher registers are achieved by increasing the air velocity into the ducted flue windway. On a transverse flute this is generally done by
Tin Woodman joints; in some of the illustrations, his joints are a different color from the rest of his body. In Alexander Volkov's Russian adaptation of "The Wonderful Wizard of Oz", Volkov avoided this problem by the translation of "The Tin Woodman" as the "Iron Woodchopper". The Tin Woodman appeared in most of the Oz books that followed. He is a major character in the comic page Baum wrote with Walt McDougall in 1904-05, "Queer Visitors from the Marvelous Land of Oz". In "Ozma of Oz", he commands Princess Ozma's army, and is briefly turned into a tin whistle. In "Dorothy and