A pair of 4 inch scale Ramsbottom safety valves complete with test rig for setting them - these came in with a Burrell SCC agricultural engine whose owner fitted pop valves as replacements, preferring the ease of setting and reliability of operation over loss of fidelity to prototype.
| scale |
4 inch |
| length/inches |
7 |
| width/inches |
4 |
| height/inches |
8 |
| weight/kg |
4 |