4 BULLETIN 788, TJ. S. DEPARTMENT OP AGRICULTURE. 



Table II. — Moisture content of samples of different streams of mill stock secured from 

 three large mills, and other data. 



Part 1. — Effect of the process of preparation for milling upon the moisture content of the wheat. 



Wheat. 



Mil No. 1, 

 hard red -winter. 



Mill No. 2, 

 hard red winter. 



Mill No. 3, 

 soft red winter. 



Moisture content before cleaning and tempering 



Moisture content a,fter cleaning and tempering 



Per cent. 

 12.40 

 16.00 

 3. 60 gain. 



Per cent. 

 13.90 

 13.80 

 . 10 loss. 



Per cent. 

 14.04 

 14.67 



Effect on moisture content of cleaning and tempering. . 



.63 gain. 



Part 2. — Moisture content of the various roll streams before and after grinding, and the loss or gain in that factor 



resulting therefrom. 







MillNc 



. 1. 



Mill No. 2. 



Mill No. 3. 



Stream. 



Moisture 

 content. 



Effect of 

 grinding 



on 

 moisture 

 content. 



Moisture 

 content. 



Effect of 

 grinding 



on 

 moisture 

 content. 



Moisture 

 content. 



Effect of 

 grinding 





Before 

 grind- 

 ing. 



After 

 grind- 

 ing. 



Before 

 grind- 

 ing. 



After 

 grind- 

 ing. 



Before 

 grind- 

 ing. 



After 

 grind- 

 ing. 



on 

 moisture 

 content. 





P.ct. 

 16.00 

 15.46 

 15.26 

 15.73 

 15. 16 

 15.44 

 14.96 

 15.33 

 14.96 

 13.83 

 13.91 



13.55 

 13.34 



P.ct. 

 15.27 

 15.23 

 14.75 

 15.08 

 14.82 

 14.82 

 14.53 



0) 

 14.61 

 13.48 

 13.55 



13.28 

 13.03 



P.ct. 

 0.73 loss. 

 .23 loss. 

 .51 loss. 

 .65 loss. 

 .34 loss. 

 .62 loss. 

 .43 loss. 



P.ct. 

 13.80 

 14.19 



P.ct. 

 13.90 

 13.85 



P.ct. 



0. 10 gam. 



.34 loss. 



P.ct. 

 14.67 

 15.15 



P.ct. 



14.78 

 14.90 



P.ct. 



0. 11 gain. 



.25 loss. 





Second break chunk 





Third break 



14.02 



13.35 



.67 loss. 



15.06 



14.67 



.39 loss. 



Third break chunk 







14 42 



13.83 



.59 loss. 



14.82 



14.72 



. 10 loss. 



Fnnrtb break ebnnk 





Fifth break 



13.73 



13.88 



. 15 gain. 



14.37 

 14.19 

 13.24 

 14.06 



14.26 

 14.12 

 12.65 

 13.56 



.11 loss. 





.35 loss. 

 .35 loss. 

 .36 loss. 



.27 loss. 

 .31 loss. 



- .07 loss. 



First sizings 



13.74 

 13.94 



12.73 



13.72 

 13.43 



12.14 



.02 loss. 

 .51 loss. 



.59 loss. 



. 59 loss. 





.50 loss. 



Third sizings: 



Grade (a) 





Grade (6) 









Third break sizings 



13.00 



14.00 

 13.58 

 13.33 



12.53 



13.64 

 13.40 

 13.27 



.47 loss. 



.36 loss. 

 .18 loss. 

 .06 loss. 









First middlings: 



Grade (a) 



14.16 

 13.50 

 13.93 

 13.42 

 12.81 

 13.44 



13.79 

 13.27 



13.48 

 13.14 

 13.53 

 13.28 

 12.77 

 13.39 



13.41 

 12.99 



.68 loss. 

 .36 loss. 

 .40 loss. 

 .14 loss. 

 .04 loss. 

 .05 loss. 



.38 loss. 

 .28 loss. 



13.75 

 13.23 

 13.87 



13.48 

 12.93 

 13.64 



. 27 loss. 



Grade (&). 



.30 loss. 



Grade (c) 



. 23 loss. 



Grade((?) 





Grade (e) 















Grade (/) ; 















Second middlings: 



Grade (a) 



13.69 

 13.30 



13.32 

 12.89 



.37 loss. 

 .41 loss. 



13.11 

 12.82 

 13.68 



12.75 

 12.28 

 13.37 



.36 loss. 



Grade (5) 



. 54 loss. 



Grade (r) 



.31 loss. 



Second middlings granu- 



12.93 



12.93 

 12.94 



13.69 



13.20 

 12.67 



12.63 

 13.15 

 11.68 

 12.42 



13.00 

 13.32 



12.40 



12.47 



11.73 

 11.75 



13.27 



13.07 

 12.38 



12.04 

 12.70 

 11.15 

 12.01 



12.70 

 13.17 



12.23 



.46 loss. 



1.20 loss. 

 1.19 loss. 



.42 loss. 



.13 loss. 

 .29 loss. 



.59 loss. 

 .45 loss. 

 .53 loss. 











Third middlings: 



Grade (a) 



13.24 



12.90 



.34 loss. 



13.14 



12.80 



.34 loss. 



Grade (6). 





Third middlings granu- 















Fourth middlings: 



Grade (a) 



12.67 



12.65 



.02 loss. 



12.45 



12.19 



.26 loss. 



Grade (&) 





Fifth middlings: 



Grade (a) 



12.39 



11.78 



.61 loss. 



12.24 



11.38 



.86 loss. 



Grade (b). 













11.89 

 12.56 



12.01 



11.08 

 11.80 



11.59 



.81 loss. 



Seventh middlings 



First tailings: 

 Grade (a).. 



.41 loss. 



.30 loss. 

 .15 loss. 



.17 loss. 









.76 loss. 



. 12. 81 

 13.36 



12.89 

 12.23 

 12.55 

 12.16 

 12.18 



12. 51 

 12.83 



12.18 

 12.04 

 12.06 

 11.83 

 11.86 



.30 loss. 

 .53 Joss. 



.71 loss. 

 .19 loss. 

 .49 loss. 

 .33 loss. 

 .32 loss. 



.42 loss. 



Grade (6) 





Second tailings: 



Grade (a) 



12.37 



11.73 



.64 loss. 



Grade (6). . 





Third tailings 



12.97 

 11.85 

 11.20 

 11.17 



13.22 

 11.18 

 11.05 

 11.00 



. 25 gain. 

 .67 loss. 

 . 15 loss. 

 .17 loss. 



11.82 

 11.41 



11.75 

 10.98 



.07 loss. 



First low grade 



.43 loss. 























1 



1 No sample obtained. 



