Drill Book in Vocal Culture and Gesture (1876) is a comprehensive guide to the art of public speaking and performance by Edward Payson Thwing. The book is divided into two parts: the first focuses on vocal culture and the second on gesture.In the first part, Thwing provides detailed instructions on how to develop and improve one's voice, including exercises for breath control, articulation, and projection. He also covers topics such as tone, pitch,...