STEAM PLOUGHING TACKLE. 



735 



travel over the fields, cultivating the land as they travel by means of sets 

 of prongs or other digging agencies in their rear. A trial of the two was 

 held by the Royal Agricultural Society at York in 1900, and it is fully 

 described in the Society's Journal, Part III., 1900. 



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To revert to the double-engine system, which has been greatly improved 

 in recent years, we show in fig. 295 one of the newest engines of 

 Messrs. John Fowler & Co., of Leeds, with compound cylinders which 



