A well-made Stuart 7a with reversing gear. It runs very nicely and is fitted with a displacement lubricator and steam regulator valve.
Height 8 inches
Flywheel 4 1/2 inch diameter
| length/inches | 4 |
| width/inches | 4 |
| height/inches | 8 |
| weight/kg | 2 |
| bore x stroke/inches | 1 x 1 |
| cylinder material | cast iron |
| valve type | slide |
| valve gear | Stephensons |
| lubricator type | displacement |