| Year | 1952 |
| Date | 17-Jul |
| Volume | 107 |
| Issue | 2,669 |
| Page | 85 |
| Category | Foundry |
| Part | |
| Title | Making Small Foundry Patterns |
| Author | E.W.Twining |
| Notes | An outside cylinder with piston valves, cylinder pattern, a cranked axle in cast-steel or M.C.I., a pattern for a cylinder with a loose piece |