We suspect it may have been commercially built, but not a design we recognize - similar in size and proportion to engines produced by Mercer, Taylor-Hemmens and Michael Holden but significantly different in detail execution.
The engine turns over freely, it runs on air nicely in both directions.
| scale | 1 1/2 inch & smaller |
| length/inches | 16 1/2 |
| width/inches | 7 |
| height/inches | 10 |
| weight/kg | 7 |
| wheel material | steel |
| axlebox type | plain bearing |
| cylinder material | gunmetal |
| valve type | slide |
| valve gear | Stephensons |
| reverser type | pole |
| boiler type | gas-fired, three fire tubes |
| boiler material | copper |
| safety valve(s) | 2 |
| safety valve type | spring |
| road speed(s) | 1 |