| Year | 1916 |
| Date | 16-Mar |
| Volume | 34 |
| Issue | 777 |
| Page | 195 |
| Category | Workshop Topics |
| Part | |
| Title | Repairing a Whiton Chuck |
| Author | |
| Notes | Chuck body machined ready for boss, drilled boss with screws, special tapping drill & outside of chuck body, the new boss screwed to its seating, the steel boss clearanced on inside to allow the jaws to pass |