U2 EGYPTIAN AGRICULTURE. 



separates the chaff from the grain. The grain is now 

 carried to the top of the machine by means of cup elevators 

 on an endless belt, and is then discharged into the barley 

 awner and polisher and thence to the second dresser. 

 This latter consists of two perforated riddles and a blower 

 which generates a blast of air. The grain now falls into 

 jin adjustable rotary screen where it is divided into the 

 following grades and is discharged into sacks. 



1st Consisting of small and broken grain. 

 2nd Second grade grain. 

 3rd Best quality grain. 



This machine will thrash wheat, barley, beans, rice and 

 berseem. The cost of thrashing a feddan of wheat, making 

 an allowance of from 15 P.T. to 20 P.T. per feddan for 

 repair and depreciation of machinery, may be estimated at 

 from forty to fifty piastres. The price of n thrashing 

 machine and portable steam engine may range from 

 L.E. 800 to L.E. 1,000. 



Grain-cleaning Mac/inter//. It is most important when 

 grain is exposed for sale or is intended for seed that it 

 should be free from impurities, true to kind, and of the 

 best quality. For this purpose graders are used. These 

 implements may be described as consisting of an oblong 

 wooden frame carrying a rotary screen which revolves by 

 turning a handle. The grain to be graded is put into a 

 hoppi-.r from \vli3iice it runs on to ti perforated riddle. 



