24 



BULLETIN 676, IT. S. DEPAETMENT OF AGKICTJLTTJRE. 





ojnnT3j JO eo'Bjjng 



•m -bs 

 jad'sqq; 



•lOTpBJ 



ajnirej jb 8oi3jing 



•ni-bs 

 aad'-sqi; 



i 



•ICT;naSti'B'j 

 ojnn^j ' JO aoBjmg 



•sqi 



•IBJpBJ 



9.miTBj jb aoBjjng 



•sqq 



i 



•p3T;no3nBj 

 9jnnBj " JO aoBjjng 



•m -bs 

 jad •sqq; 



•impBj 

 9jniTBj jb aoTjjmg 



•ni-bs 

 J9d'"sqi 



Hardness: 

 load required 



to embed a 

 0.444-inch ball 



one-half its 

 diameter. 



•9D'Gjms i^T^juaSnBx 



•sqq 



•aoBjjns impisy; 



•sqT: 



•aoBjins png; 



•sqT 



•fjnnn onffBia jb ssajjs jaq^ 

 'oTBiS 6% JBifiorpnadjad noissa-idinoo 



■ni -bs 

 J9d ' "sqq; 



Compression 



parallel to 



grain. 



•1itot;si3I9 JO snjnpoH 



•xrj -bs jad 

 •sqijo sooo'T 



•rfjSno-iis 

 Smqsnjo nmnnxBH 



•m -bs 

 .T9d' •sqq; 



•^iniTj 



•m -bs 

 jad'-sqq; 



.a a 

 "ia 



o a 

 ta c! 

 no 



a?- 



•ajnntg 9;ojdnioo Sui 

 -snEo'doip JO itiSiag; 



•saqoni 



•jiuin 0HSEI9 o:j 3Ij©jVV. 



■m -no jad 

 •sqi qoni 



■jijToijsBia JO sninpoj^ 



•ni 'bs .Tod 

 ■sqjjo sooo'T 



oi:jST3i9 IB ssa.i;s J9qi^ 



•m -bs 

 J9d'*sq=[ 



a 

 S 



•3[J0Ai. IB^OX 



•m -no jad 

 •sqi qoni 



•PTOI 



Ttmnnx'Bni o^ ^jjoaV 



•m -no jad 

 •sqi qoni 



•ITnni oT^s'Eia o^ 5[joa\ 



■m -no J9d 

 •sqi qoui 



•/^ioT!jsT3i9 JO snpipoyi 



•m -bs J9d 

 •sqi JO sooo'T 



•9jn;dnjjo sninpoH 



•m -bs 

 jsd "•sqq; 



•:)iiu![ 

 OTjsBia %■& ssaj;s jaqi^ 



•m •bs 

 jad •sqi 



III 



.IgS 



CO aco 



•I^i;u93nBx 



-" " s 



o-s so 



CD (0 



Pi a 



•mp'Ba 



■anmioA nj 



•;n9;noo em^siopi 



•;n8o jaj 



•^S3? JO &ui]i ^B auinpA 

 no pasBq 'Xxp-naAO 'jJ}ia'bj3 ogioadgi 





•aaqnmu aonejajay; 







a 



i 



m 



1 



ft 



CO 





m 

 ft 



M O 



^> 

 ^^ 

 2° 



Ml-, 



^^ 



*M »0 ceo 

 O 30 —ICO 



>^ 



CQ -^ CD CO 

 Oi>0 OO 





C<5 lO O CO 



CO »o ^ c^ 



Oi 00 o o 



CO (M ^(M 

 05C0 o o 



—lOO i-H i-H 





O CO O CO 



CO t^ woo 



00 03 00 C^l 



>-(N 00 OS 

 0000 00 Oi 



1-H CD CC Oi 



CO 1:0 t— o 



CDOO 0000 



lOCO (N CS» 

 O 00 CI Oi 



00 05 OS o:) 



^CO — (O 



CO CO Tfl ^H 

 00 00 O500 



b- CO CO (M 



o-^ CO 0:1 



■^ CN 00 vO 



00 00 CO o 



OiOO 00 05 



CO c<j r^co 



OCO l> C3 



t< 



s-s 



3 S"? o ®V ° .. - T -n -*- T 



^aO<; --s-o<i -flO<! ^-o<^ 

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