首页 / 官方藏书 / The Modern Clock / A Study of Time Keeping Mechanism; Its Construction, Regulation and Repair / CHAPTER VII. PECULIARITIES OF ANGULAR MEASUREMENT— HOW TO READ DRAWINGS.
首页 / 官方藏书 / The Modern Clock / A Study of Time Keeping Mechanism; Its Construction, Regulation and Repair / CHAPTER VII. PECULIARITIES OF ANGULAR MEASUREMENT— HOW TO READ DRAWINGS.