Unpainted, the whole thing is mounted on a wooden plywood base of unprepossessing appearance.
Showing wear commensurate with age, however the engine is complete and runs on air.
| length/inches | 20 |
| width/inches | 11 |
| height/inches | 10 |
| weight/kg | 20 |
| bore x stroke/inches | 1 1/2 x 3 |
| cylinder material | brass |
| valve type | slide |