This one has come to us from a large collection of engines ,including several full-sized launch engines and a steam launch.
| length/inches | 20 |
| width/inches | 12 |
| height/inches | 18 1/2 |
| bore x stroke/inches | 4 3/4 + 2 1/2 x 4 |
| cylinder material | cast iron |
| valve type | slide |