ABSTRACT
This chapter discusses some of the unusual charts used in quality. Our intent is to familiarize the reader with their existence, rather than develop their rationale and their detailed explanation. For more information on any of these charts, the following sources may be consulted: Gulezian (1991), Crowder, S. V. (1987, 1989), Hunter (1986), Lucas and Saccucci (1990), DeBruyn (1968), Duncan (1986), Grant and Leavenworth (1988), Montgomery (1991), and Walker, Philpot and Clement (1991).
