186 EGYPTIAN AGRICULTURE. 



electricity for pumping are few, and would require careful 

 technical study of the local conditions before such power 

 could be employed. 



Gas suction engines are rapidly coming into favour. 

 They are as easily worked by natives as the gas engines 

 using petroleum. The consumption is 1 Ib. of anthracite 

 coal per B.H.P. per hour. Whilst the weight of coal 

 used is much the same as petroleum, the cost of anthra- 

 cite coal is only about one third the cost of petroleum. 



