THE PRODUCTION OF BEET-SUGAR. 



207 



□ a 



a ff 



llnuuu.uurrrrcr 



Fig. 6.— Vertical and Horizontal Sections of Robert's Diffusion Battery (Stammer), 

 a, root-cutter ; b, charging-car with weighing attachment ; c, movable hopper ; d, d 1 , d 2 , d 3 , etc., 

 diffusers; e, reheating-reservoir ; f, communicating-tubes between diffusers; g, discharge-tube; 

 k, conducting-tube for displaced water or juice ; 1, safety-tube connecting with all the diffusers, 

 and serving to disconnect a defective one ; t, u, v, x y, z, valves corresponding to the various 

 tubes ; m, tube joining valves with diffusers ; r 1 and r 2 , etc., conduits between reheaters and 

 diffusers ; w and u, valves corresponding with same ; r 3 , conduit of juice to defecators ; s, man- 

 hole for exit of exhausted slices. 



