| Year | 1920 |
| Date | 07-Oct |
| Volume | 43 |
| Issue | 1,015 |
| Page | 289 |
| Category | Workshop Topics |
| Part | |
| Title | Something about Jaw Chucks - Principally Drill Chucks |
| Author | |
| Notes | Types of drill chucks, the brace chuck, split chuck for fine drills, broach pattern split chucks, split drill chucks with separate jaws, "Miller's Falls" and "Goodell" pattern drill chucks |