14 



BULLETIN" 676, U. S. DEPARTMENT OF AGRICULTUBE. 



a 



■IBi:>n93Tii34 

 9jnirej JO 90'Bjang 



•ni "bs 

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"lEipBI 



einn^J JO 9oi3jJtig 



■ui "bs 

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03 

 > 

 03 



5 



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 ajnrFBj JO 90Bjins 



"sqi 



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oinn^j JO goring 



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CD 



giajrej jo 90Bjing 



■ni "bs 

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•JUTpBI 



9.iniiBj jb 90i3jjng 



•m "bs 

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Hardness: 

 load required 



to embed a 

 0.444-inch ball 



one-half its 

 diameter. 



"ao'Bjjns Ii3i^n93u3x 



•sqT: 



■90Bjins ii3ip^H 



■sqT: 



"aoBjins pug; 



■sqT 



•;rraii oi^sBp ;b ssai^-S laqij 

 'uTCiS og. jBpaoTpti9dj9d xioiss9jdmoo 



•ni 'bs 

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■h 



li'i 



•i:iT0i:^SBt9 JO sninpoH 



•HI 'bs J9d 



•sqijosooo'l 



■q}3u9J^S 

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'HI '"bs 

 lad' "sqi 



■ginifl 

 3t:)sbi9 'i'B 'ss9a;s igqij 



•m "bs 

 led' 'sqi 



Impact bending, 

 50-pound hammer. 



•ointiBj 9j9idnioo Sni 

 -snBO dojp JO ^jqSraH 



■S9qoni : 



•:jiini[ OT;sei9 o:j :?JOj\|i 



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•X;rot;sBi9 jo snpipo}?! 



■m 'bs J9d 



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Static bending. 



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■pBoi 

 tanrapcBUi o; 2110AI 



•UI 'no i9d ^ 

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•m "no J9d 

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•l;T0ip.sEi9 JO sninpopt 



"ni "bs jsd 

 ■sqi JO sooo'T 



■8in:jdtu JO snpipojiii 



"ni •bs 

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•ni "bs 

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