It did, amazingly, exist as more than a patent specification or model - a full-sized one was shown at the Great Exhibition in 1851. It seems an utterly contrary way to build an engine, which normally means a builder was attempting to circumvent somebody else's patents - in this case it simply appears to be wilful eccentricity.
The model is complete and turns over freely, although reluctant to run on air.
Includes free UK shipping.
| length/inches | 12 |
| width/inches | 9 |
| height/inches | 12 |
| weight/kg | 9 |