| Year | 1948 |
| Date | 26-Feb |
| Volume | 98 |
| Issue | 2,440 |
| Page | 215 |
| Category | General |
| Part | |
| Title | Swords into Ploughshares. Hints on the adaptation of "surplus" war material for model engineering or utility purposes |
| Author | "Artificer" |
| Notes | Notes on Aircraft Instruments. Mechanical speed indicators, d.c. generator, chronometric-type speed indicator, three-phase a.c. generator, electrical speed indicators |