| Year | 1907 |
| Date | 15-Aug |
| Volume | 17 |
| Issue | 329 |
| Page | 150 |
| Category | Lathe |
| Part | |
| Title | Interesting Examples of Intricate Turning |
| Author | Frank Finch |
| Notes | Ivory ball containing twelve concentric balls, application of holder & tool, tool head in special folder, smallest & largest tools, A.A.Litolff, 2" dia. ivory ball with nine internal balls, box within a ball, cube with cones, three linked balls |