The engine is fitted with a displacement lubricator and the earlier style turned links for the Watt's parallelogram - more elegant (although a more work to make) than the later, flat plate design.
Good standard of fit and finish throughout, the engine turns over freely and runs well on air.
| length/inches | 15 1/2 |
| width/inches | 7 |
| height/inches | 13 |
| weight/kg | 8 |
| bore x stroke/inches | 1 x 2 |
| wheel material | flywheel cast iron, 7 inch diameter |
| cylinder material | cast iron |
| valve type | slide |
| lubricator type | displacement |