TEST WEIGHT OF GRAIN" '. ACCURACY OF TESTING APPARATUS. 
VARIATIONS IN MAKING WEIGHT-PER-BUSHEL DETERMI- 
NATIONS. 
Any variation from the standard apparatus or the standard 
method of making the test may, and often does, result in an inaccu- 
" HFIGHT OF HOPPER ABOl/F TEST KETTLE 
4- 2 
2 
3" 4-" 2" 4- 
D/A METER OF OPEN/ N 6 AT BASE OF HOPPER ' 
7* //* /'/z\ Ite? \/'/z /"\ | /' fa' /%£[ /&■" \/%? 
PLAXSEED 
CORN RANeE 
ROUGH R/CE 
y 
^ 
s 
r* 
y 
} 
Y 
/ 
/ 
/ 
t 
^^» 
J 
y 
* 
/ 
/ 
BARLEY 
\ 
V 
> 
V 
v 
> 
OATS 
^ 
A 
Fig. 4.- 
-The test weight of grain is affected by the height of fall from the rilling hopper 
and the size of the grain stream used in filling the test kettle. 
rate test weight. Errors in the test weight may result from any of 
the following variations: 
1. A tester having a beam that is inaccurate, insensitive, or " slow," 
or having a kettle that is dented, bent, or worn, or a kettle of 1 pint, 
