ILLUSTRATIONS. 



PLATES. 



Page. 



Plate I. Corrugated rollers of mill 10 



II. Bolting cloth No. 14 (magnified 48 diameters) throuiili which the 



straight-grade flour was passed - -- 12 



III. Oregon and Oklahoma wheats. Fig. 1.— Entire kernels. Fig. 2.— 



Sections of kernels — 12 



IV. Experimental flour mill used in the investigations 56 



TEXT FIGURE. 



Fig. 1. General plan of milling system 57 



(7) 



