4 BOOK SET: Making Drills for Clock & Watch Makers by Robert Porter Hutchins Mfg

Hutchins Mfg

This third edition is much more extensive and complete than the second edition

and each fully described with historical references

Each regular and reserve battalion of a regiment has a listing

4 BOOK SET: Making Drills for Clock & Watch Makers by Robert Porter Hutchins MfgThis is a set of four booklets by Robert Porter about making tiny drills; a micro drill press; drilling attachments; and information about taps, drills and dies for the clock and watch maker. The title are: How to Make Tiny Drills Quickly, Easily, & Accurately; How To Make A Super Sensitive Micro Drill Press; How to Make a Pivot Polisher and Micro Drilling Attachment for the Small Lathe; Taps, Drills, & Dies, Inch & Metric: Useful Information for the