A Treatise on Staff Making and Pivoting: Containing Complete Directions for Making and Fitting New Staffs from the Raw Material

"A Treatise on Staff Making and Pivoting" by Eugene Edward Hall is a detailed instructional manual written in the early 20th century. This book serves as a comprehensive guide for watchmakers focused on the intricate process of creating and fitting balance staffs and pivots. The work provides careful instructions that emphasize skill and precision in the craft of horology. The treatise explores the entire process of staff making, starting with the raw materials and tools needed, progressing through the shaping, hardening, tempering, and finishing of the balance staff and its pivots. Hall discusses various types of pivots, their geometric properties, and the importance of precise measurements and polishing techniques. The book combines practical advice with theoretical insights, aimed at both novice watchmakers seeking to improve their craft and experienced professionals interested in refining their techniques. Through illustrations and step-by-step directions, it demystifies the complexities of watch staff and pivot creation, fostering a deeper understanding of this delicate art.