Rules and Practice for Adjusting Watches

"Rules and Practice for Adjusting Watches" by Walter J. Kleinlein is a guide for watchmakers in the early 1900s that teaches how to make watches more accurate. Starting with a look back at how watchmaking changed over time, the book explains why it's important for watchmakers to know how to improve a watch's timekeeping, not just fix it when it's broken. It focuses on practical methods so that both beginners and experienced watchmakers can learn how to adjust watches to work well in different situations, like changing temperatures. The author shares a plan for improving timekeeping in watches, showing how careful adjustment can make watches work much better.