| Year | 1919 |
| Date | 24-Apr |
| Volume | 40 |
| Issue | 939 |
| Page | 294 |
| Category | Workshop |
| Part | |
| Title | Making Ratchet Wheels in Holly Wood |
| Author | C.H.Murray |
| Notes | Special revolver clutch for making holly wood tatchet wheels for artificial limbs, tooth wheel for cycle chain, two specimens of ornamental work carried out by a similar process, a pair of holly wood ratchet wheels, revolving back centre |