Q Ss BULLETIN 516, U.S. DEPARTMENT OF AGRICULTURE. 
be approximately 250 grams in size. After the mechanical separa- 
tions and weighings have been made, mathematical calculations are 
involved in order to convert these weights into terms of percentage, 
and the accompanying table enables the analyst to accomplish these 
results without any calculations. 
DIRECTIONS FOR USING THE TABLE. 
Table I shows percentage equivalents ranging from 0 to 40 for 
samples weighing from 240 to 260 grams, inclusive, which covers the 
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Fic. 1.—A vertical cross section of the sampling device, showing the paths taken by the ‘material in 
passing from the hopper to the containers. 
entire range of corn of other colors, damage, heat damage, and foreign 
material and cracked corn specified in the numbered Federal Corn 
Standards. 
In using the table to ascertain the percentage equivalent of a cer- 
tain weight of a separation of damage, etc., always read from left to 
night. 
