Precision locating and dividing methods

"Precision Locating and Dividing Methods" by Anonymous is a manual from the early 1900s focused on the science of precise manufacturing, offering a comprehensive review of techniques to accurately position and separate parts in machine work. Designed as a hands-on tool for experts in machining and tool creation, the book highlights procedures for improving accuracy in processes such as boring and drilling. It explores methods like the button and disk techniques, supported by visuals and real-world scenarios, stressing the need for exactness in machining. The author provides detailed instructions and factors to consider for different approaches based on specific project needs, also presenting various tools and setups to achieve precision, marking it as a practical resource for those aiming to refine their machining skills.