CHAP. VIII. 



CLOVER-RUBBERS. 



771 



with, suitable sieves / and (j separating these and delivering them as 

 shown at E and H. The grain then passes along the corn spout h into 

 cup elevators j, which convey it to the top part of the machine, where, 

 by means of an arrangement of tips, it can be conveyed into a smutter 

 to improve the sample, if necessary, and thence on to the back end 

 dressing riddles m, or direct on to the riddles, without being put through 

 the smutter, where it is finally dressed, any remaining dust or dirt being- 

 separated by means of these riddles and the blast from the back end 

 blower o. After passing these finishing riddles, the grain is delivered 

 into a rotary adjustable screen n, which grades the grain according to 

 size, and delivered through the openings provided for the purpose into 

 three separate sacks. When threshing beans, it is not, as a rule, con- 

 sidered necessary to pass these through the elevators, and provision is 

 made for delivering the beans from the corn spout h by means of a small 

 hinged door on the underside of the spout. When the chaff is required 



Fig. 338. Hornsby's Stacker or Straw-Elevator folded for Travelling. 



for feeding, it can be delivered into a bag, if a necessary adjunct is 

 obtained. 



An extremely popular machine attached to the ordinary threshing 

 machine is shown in fig. 336. It is Howard's straw-trusser for tying 

 up straw as it comes from the shakers. It is an adaptation of the tying 

 apparatus of the corn-binder. It is a great labour-saving machine, and 

 also preserves the straw, whether it is desired to sell it or to keep it on 

 the farm. The illustration shows it as part of the threshing machine, 

 but it is made in a portable form suitable for working with any threshing 

 machine. 



Clover-Rubbers. -In districts where clover is allowed to go to seed 

 the clover-rubber is an important machine. The clover is first 

 threshed by the ordinary machine. The portion which comes out 

 where the chaff falls in ordinary threshing contains the seed mixed 



