Rather grubby, but underneath is a nicely made engine with split main bearings, elegantly proportioned crankshaft webs and eccentric straps, and gib and cottered big end.
| length/inches | 12 |
| width/inches | 4 1/2 |
| height/inches | 5 1/2 |
| weight/kg | 4 1/2 |
| wheel material | gunmetal, 5 inch diameter flywheel |
| cylinder material | cast iron |
| valve type | slide |
| valve gear | Stephensons |