Bacchanal playing on two Flutes of the same pitch: Rees' Cyclopaedia
© Science & Society
Book: The Cyclopaedia; Universal Dictionary of Arts, Sciences, and Literature; Abraham Rees, D.D F.R.S F.L.S S.Amer. Soc.; Volume 3: Hydraulics- Naval Architecture; London. Ancient Musical Instruments. Plate I: Close up Illustration of A Bacchanal playing on two Flutes of the same pitch.