From its size, proportions and provision for variable cutoff, we suspect it was a working engine rather than a model, intended for driving small machinery in the days before fractional horsepower motors.
The engine runs well on air, with some wear evident - not unexpected in an engine of this age.
| length/inches | 24 |
| width/inches | 9 |
| height/inches | 10 |
| weight/kg | 19 |
| bore x stroke/inches | est 2 1/4 x 4 |
| wheel material | cast iron, 9 1/2 inch diameter flywheel |
| cylinder material | gunmetal |
| valve type | slide |