174 



SCIENCE OF SUCCESSFUL THRESHING 



LIST OF COMMON SIEVES AND SCREENS. 



D. Conveyor sieve, 2 in. lip, shown below. 02600T to 02607T. 



E. Conveyor or oat sieve, 1J4 in. lip. shown below. 02610T to 



02617T. 



F. Oat sieve, M in. lip, shown below. 02620T to 02627T. 



G. Wheat sieve, ^ in. lip, shown below. 02630T to 02637T. 



H. Wheat sieve, U in. round hole, page 175. 02770T to 02777T. 

 I. Flax sieve, & in. round hole, page 175. 02720T to 02727T. 

 K, Cheat screen, spec., AxJi in. oblong hole, page 175. 02730T 



to 02737T. 

 L. Cheat screen, reg., Jx*. l /2 in. oblong hole, page 175. 02C40T 



to 02647T. 



M. Timothy sieve, A in. round hole, page 175. 02650T to 02657T. 

 N. Alfalfa, 3^2 in. round hole, page 175. 02670T to 02677T. 

 O. Cockle screen, Y & in. round hole, page 175. 02680T to 02687T. 

 P. Pea screen, &xJ4 in. oblong hole, page 175. 02690T to 



02697T. 



Q. Wheat sieve, 4^x4% mesh wire, page 175. 

 R. Clover sieve, 12x12 mesh wire, page 175. 02830T to 02837T. 

 T. Timothy sieve, 16x16 mesh wire, page 175. 02840T to 02847T. 

 U. Orchard-grass sieve, ^2^/2 in. oblong hole, page 175. 02740T 



to 02747T. 



W. Pea screen, J^xJ4 in. mesh wire, page 175. 

 X. Dodder screen, -fa in. round hole, page 175. 02810T to 02817T. 

 Y. Clover sieve, A in. round hole, page 175. 02780T to 02787T. 

 NOTE: The above sieves are used for many other grains and 

 seeds, but the few mentioned will serve to identify and explain the 

 nature of the sieves. 



2* Up Sieve "D" VA" Lip Sieve "E" &" Lip Sieve "F" 

 FIG. 49. LIP SIEVES. (Reduced.) 



i" Lip Sieve "G* 



