MANUFACTURE OF PLASTERS. 



45 



Plant No. 3. 



Plant No. 4. 



(a) 1 Godfrey double nipper and cracker. 

 (6) 3 Sturtevant vertical rock emery mills. 



(c) 3 10-foot kettles. 



(d) 2 runs of small buhrs for regrinding. 



(a) 1 nipper. 



(b) 1 cracker. 



(c) 2 runs of buhrstones and 1 Sturtevant vertical rock emery mill. 



(d) 2 10-foot kettles. 



(e) 3 runs of buhrstones for regrinding. 



/ TVive Shaft for loading pebblo 

 i R.R. cars 



ing and Cooling-Bins 



R.R. Txack. 



THIRD FLOOR 



JT IG 13 pi an O f Electric Plaster Co.'s mill, Blue Rapids, Kansas. 

 (Engineering and Mining Journal.) 



Plant No. 5. (a) 1 nipper. 



(6) 1 cracker. 



(c) 2 runs of buhrstones. 



(d) 1 10-foot kettle. 



