MICROSCOPICAL EXAMINATION - OF FLOUR. 
23 
The bran particle count varied from 33 to 183, with an average of 
68, while the hair count varied from 18 to 58, with an average of 34. 
The total offal count varied from 57 to 201, with an average of 100. 
The average total offal count obtained for the straight flours was 111, 
as against 57 for patent flours. 
MILL STREAMS EMPLOYED IN THE MANUFACTURE OF CERTAIN STRAIGHT FLOURS. 
Data were obtained on the mill streams employed in the manu- 
facture of certain straight flours, and these streams were examined 
for their offal content for the purpose of illustrating the quality of 
the material sometimes used in making up such flours. The results 
are given in Tables 25, 26, and 27. 
Table 25. — Results of examination of mill streams employed in the manufacture of a 
straight flour {sample No. 17146-L-F) milled from hard wheats. 
Stock. 
Bran 
particles, 
Hairs. 
Total. 
First break 
Second break 
Third break 
Fourthbreak 
Fifth break 
Second middlings 
Third middlings 
Third middlings (second stream) . 
Fifth middlings 
Cut-off flour 
Cut-ofl flour 
Chunk flour 
Second chunk flour 
Tailings flour 
Tailings flour 
100 per cent straight flour J 
186 
166 
367 
322 
456 
29 
27 
13 
21 
15 
76 
308 
50 
76 
155 
83 
65 
144 
116 
176 
2 
269 
231 
511 
438 
632 
31 
33 
17 
26 
19 
94 
398 
55 
100 
202 
77 
1 Composited from the mill streams listed above it. 
Table 26. — Results of examination of mill streams employed in the manufacture of a 
straight flour (sample No. 17165-L-AA) milled from soft wheats. 
Stock. 
Bran 
particles. 
Hairs. 
113 
38 
75 
38 
131 
53 
101 
45 
228 
106 
368 
173 
21 
8 
48 
27 
26 
7 
29 
2 
55 
12 
60 
18 
143 
23 
264 
38 
50 
5 
109 
34 
Total. 
First break 
Second break. 
Third break j 
First, second, and third breaks. 
Fourth break 
Fifth break 
First middlings 
Second middlings 
Third middlings 
Fourth middlings 
Fifth middlings 
Sixth middlings 
Seventh middlings 
Eighth middlings 
First germ flour , 
100 per cent straight flour i 
151 
113 
184 
146 
334 
541 
29 
75 
33 
31 
67 
78 
166 
302 
55 
143 
Composited from the mill streams listed above it. 
