| Year | 1953 |
| Date | 28-May |
| Volume | 108 |
| Issue | 2,714 |
| Page | 658 |
| Category | Workshop |
| Part | |
| Title | Fitting Woodruff Keys |
| Author | "Duplex" |
| Notes | Making Woodruff keys, making Woodruff cutters, machining the keyseat, fitting the key to the shaft, forming the keyway in the gear wheel |