TEST WEIGHT OF GRAIN I ACCURACY OF TESTING APPARATUS. 3 



of wheat for commercial purposes. The chart in figure 3 shows 

 graphically the number of quarts of grain for various test weights 

 required to weigh the number of pounds fixed by law as a bushel for 

 various grains. 1 



NUMBER OF QUARTS PER 60POUNP5 (LEGAL BUSHEL, BY WEI6HT, OF WHEAT) 

 S /O IS 20 25 JO 32„ 3S 4Q 



TEST WEIGHT 64 LBS. 



■• 62 « 



• 60 . 



• S8 ■ 



- 56 • 



- S4 . 



- 52 ■■ 



• 50 » 



30.0 \OTS. 



3I.O-QT5. 

 I 

 32.0 QTS. 



33./+QT5. 

 ' 1 

 34.3-QTS. 

 I 

 35.6+ QTS. 

 _ I ' 



36.9+ Q7$^ 



-33-? QTS. 



* 32 QUARTS EOU4L I BUSHEL BV VOLUME 

 Fig. 2. — Comparison of the volume of 60 pounds of wheat of various test weights. 



The standard weight-per-bushel tester is so designed that when the 

 kettle is properly filled and struck off it contains exactly 1 dry quart. 





Test Weight per Bushel 

 20 22 24 26 28 30 32 3U- 36 38 kO M-2 lf>f k6 1(8 SO 52 5k 56 58 60 &Z 6k 



50 

 08 



















































































































































1|2- 



































































































<0 



£ to 





























\r 



i X 





















a 38 































foj 



X. . 



















36 

 1 

































"v* 



iN7> 















































\-/- 





























1 \^5 



U 















^ 









*« 













£ 30 

 28 

 26 







































s. 



N 



V 



S 





. Legal Weight per Bushel 

 cats 32 pounds 





























^> 





^ 

































^ 



BARLEY 48 « 



2^1 conn se 



RYE S6 - 



































































20 





IV 



.'.'• 



r - < 



JO 



" 







































fl'.'. •".. i i • r.i<i of (|iiar(H, by meaHiiro, of Kiain of various tesl weights required for 

 :i " legal bushel " by weight. 



or 07.2 cubic inches. When the filled kettle is hung on its proper 

 hook on the shorl end of the beam of (lie official testing apparatus, 



'Milling and bnklng testa conducted by Mils bureau and by other authorities nave 



tarnished conclusive proof thai 80 pounds of wheel which bas a blgh tesl weigh! pet 



bushel, say 60 pound . will yield more Hour or i».-t i.t quality than can be obtained from 60 



■ a wheal which has a lower tesl weigh! per bushel, as for in tance, ' s pound* 



