| Year | 2017 |
| Date | 17-Mar |
| Volume | 218 |
| Issue | 4,556 |
| Page | 426 |
| Category | Lathe |
| Part | |
| Title | Taper Turning Attachment |
| Author | Jacques Maurel |
| Notes | Describes the principle of his own design. Operating principle, using the attachment, if rocking occurs - adjustment of the cone angle, other methods for accurately adjusting a |