BULLETIX 516, V. S. DEPAETMEXT OF AGEICULTURE. 



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 ec[uivalents ranging from to 40 for 

 samples weighing from 240 to 260 grams, inclusive, which covers the 





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Fk;. 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. 



\x\. using tlie table to ascertain the per(;entage equivalent of a cer- 

 tain weight of a separation of damage, etc., always read from left to 

 right. 



