Modern Drilling Practice
Hammond, Edward K. Excerpt from Modern Drilling Practice: A Treatise on the Use of Various Type of Single and Multiple Sindle Drilling Machines, Including Their Application to Standard and Special Operations, the Relation of Speeds and Feeds to Intensive Production, and the Different Types of Tools and FixtuAll mechanics are familiar with the various types of drilling machines which are extensively used in machine shops. Bearing this fact in mind, it was felt th...