Blue Ridge Machinery and Tools

Articles from Machinery Magazine. Check out these unusual, informative, and interesting articles. Learn about how watch escapements were gauged - that is, measured to maintain quality control before WWI. Then you get a lengthy, heavily illustrated articles on the history of the micrometer caliper from 1848 until 1915. Learn the secrets of French firm that made diamond wire drawing dies including how they were bored and mounted. You'll find recommendations for machining early plastic, fibre, and other insulating materials common in 1922. Secrets of how industry accomplished amazing feats in the simple days before CNC and miracle alloys. 64 pages.