[ 159 ] 



It is very well adapted for threshing wheat, linseed and gram, 

 as well as paddy,y<?zt;0r and arahar. This machine is obtain- 

 able of Messrs. Ransome Head and Jefferies, Orwell Works, 

 Ipswich, England. Rustom Proctor's Threshing machine 

 costs Rs. 1 60. It is worked by 12 persons and it is said to 

 execute the work very rapidly. It has been introduced into 

 and mostly used by the members of the Salvation Army at 

 Ahmedabad. 



20 1. Winnowers. Dell's Winnower costs Rs. 265. It 

 cleans the grain from the straw and chaff very rapidly. A 

 winnower is made at the Cawnpore Farm which is sold only 

 for Rs. 60. It is said to work as well as Dell's Winnower. 

 The ordinary fan (sup or kuld) helped by a good breeze is 

 well adapted for the system of cottage husbandry prevalent 

 in India, especially if basketfuls of grain and chaff are 

 gradually let fall from a height. A winnower adapted for 

 separating grain from chaff is sold by Messrs. Burn and 

 Co. for Rs, 65. 



CHAPTER XIV. 



THEORIES UNDERLYING THE QUESTION OF IRRIGATION. 



roblem stated. Before entering into a description of 

 the various irrigation appliances, it is necessary to deal 

 with certain theories connected with this subject. The ques- 

 tion of irrigation is not only the most important, but also the 

 most complicated of all questions connected with Indian agri- 

 culture. Experienced cultivators in certain localities are of 

 opinion that well-water is injurious to crops. Where canal-irri- 

 gation has been in vogue for a long time, eg., in parts of the 

 N.-W. P. and the Punjab, cultivators are of opinion that well- 



