the blastmay be introduced into this ma-v viewof the machine. chine by means of a fan, inthe common way;
the outer caseis not repor a current ot' air may be' produced by a s'ncresented, but this case may be of any ordinary tion-fan, or any lother suitable means.
Vhen construction. the decorticationis completed, the grain is dis- My inventionconsists of keeping the fric- 'charged through openings?, Fig. 3, provided tion-surfaces of the machine cool,' ⁇ and also in with'adjustable slides It.
thefriction-surfacesot' a machine' while decor- A.,isplacedahorizontal shait,",carrying two ticating grain, and to remove the separated ...gear'wheel D, setting in ⁇ motion the shaft A,
