Report on the Trials of Implements at Oxford. 457 
It uiiiUL'r. 
1. G. H. Ellis 
2. E. R. and F. Turner .. 
3. Clayton and Shnttleworth 
4. Marshall, Sons, and Co. .. 
5. Reading Iron Works 
6. W. S. Underbill .. ,. 
The engines in this class are — as has already been stated, and as is well 
known to the habitues of the Royal Agricultural Society's Shows — always 
worked off a boiler the property of the Society, but fired by the exhibitors' men. 
—(See Table II., p. 450.) 
No. 1. G. H. Ellis, 6801. — The nominal power of this engine was 8-horse, 
the diameter of the cylinder was 10 inches, and the length of stroke 10 inches. 
The exhibitor elected to run at 126 revolutions. This engine is called by the 
exhibitor a lever engine, and is stated to be manufactured by Ellis and Co. 
(Limited), 91, Gracechurch Street, London. It is all but impossible to give in 
words an intelligible description of this engine, but we will give the best we 
can, calling to our aid the annexed engraving, taken from a photograph by 
Guggenheim, of Oxford. 
Fig. l.—ElUs's Lever Engine. (6801.) 
No. in 
Catalogue. 
6801 
4831 
7172 
7082 
4010 
3828 
From this engraving it will be seen the cylinder is fastened at right angles 
to the end of the fly-wheel shaft, so that shaft and cylinder revolve together. 
The shaft is hollow and has a mid-diaphragm, separating it into steam side 
and eduction side. The steam-pipe and exhaust-pipe are connected with a 
stationary end plug, and round about a cone formed on this plug the hollow 
shaft revolves ; and thus, passages formed in the end of the hollow shaft are 
made to pass other passages formed in the cone, and by this means the steam 
