458 



Oil Engines. 



vapour valve is placed between vapouriset and combustion 

 chamber. The engine is made in various sizes to 50 h.p. 



Several of the engines herein described will work with some 

 crude oils, and many with the heavier oils, such as Russolene, but 

 those using the former require to be very frequently opened up 

 and cleaned out. Ordinary oils, such as Water White, Tea 

 Rose, and Royal Daylight, are preferred. 



Comparatively recently, oil engines of quite a different class 

 to those hereinbefore described have attracted a good deal ot 



Fig. 18.— The Kynoch-Forward Portable On, Engine, (7 h.p.) 



attention in their application to agricultural purposes, viz., 

 engines worked with petroleum spirit, and similar in construc- 

 tion to those used on some motor carriages or waggons. Messrs. 

 Ransomes & Sims have for some time been making lawn 

 mowers operated by a Simms light high-speed petrol engine, 

 and recently similar motors have been applied to reaping 

 machines for operating not only the knife bar and delivery and 

 tying mechanism, but for propelling the machine, guided by one 

 horse. One machine so arranged was exhibited at the last 

 Royal Show at Park Royal by Walter A. Wood. A further 

 application of these motors has been made by the " Ivel Agri- 



