| Year | 1935 |
| Date | 19-Dec |
| Volume | 73 |
| Issue | 1,806 |
| Page | 585 |
| Category | Educational |
| Part | |
| Title | First Steps in Model Engineering. Workshop Advice, Experience and Philosophy for Readers of all Ages |
| Author | "Inchometer" |
| Notes | Drilling a long hole, by way of explanation, a flat drill for deep drilling, plain drive or back gear |