ON GRAPHIC METHODS IN MECHANICAL SCIENCE. 



475 



m « u5 fl 



i § B § 



2 g g & 



6D M 6C o3 



_cs _<5 _cj ;g 



t3 t3 fd , 



!i t! ^< 



o o o 



-*j -t-^ -tj 



CO C3 C^ 



o o o 



CO r-c 



> ^ 



rQ 'd 'O 

 fl C CI 



a 



O 



ft 



a 



o 

 O 



bo 



'O 



o 



.2 -a 



o 



St! 



■d 



a 



1—1 I— I 



a 

 .2 



Ci O 



:^ iti 

 •S-d 



S 3=2 



a g-M 



53 cc to 2 



a a a a 

 2 g 2 g 



60 tuD bo ho 



C^ CQ C^ ^ ....„.„.„ 



• . Vi vx 



a a a a 



&TO c^ C3 C^ 



t ;h H *-i 



60 t>D Si) 



rt rt o5 c3 ' 



'•-i u. u ^~^ 



o o o o 



■^ +J +J .*J 



c^ c^ c^ ^ 



o <:> o a 



«d ^ 'd 



n a fl 



00 00 oo CO 00 oo 00 oo oo 



CO 

 oo 



5C CO to I 



t- t- t- CO 



oo OO 00 t- 

 i-H I-H i-H 00 



CO t^CO-HlO'-lO'-l'-l ,-1 ET 



iM ooOlr-'^^'-ioo^ ^ 



i-l(M(MC0Ci3Tt(-*>O ,_; ^. 



I— ; hH M I— ; I— i I 



X X >«^ !><><! 1 



03 

 CO 



o ■* 



I-H CO 

 (M CO 





t! ^< t! 



O O O _ 



-^ +j -tJ -M 



C€ C^ ^ Cj 



o o _o _o 



rQ ^73 'd 'd 



c fl a 



.3 'So 



3 

 ■h 



CM 

 (1) O 

 g 



So ■» 



s a 



I" cS 



*H So 

 .2 



a 



t o 

 3 A 



Oc 





a 



bo _eS 



8282 



s a p a 

 So ■ ■ ■ 





. o 



bo r. 



.9 o 



ts .2 

 " 53 



bo o 



t- t^ t- t^ i^ 

 1^ t- t— t- t^ 



00 00 CO 00 00 



CD 

 CO 



CT t- t- CO ^J 



05 t-H CO t- LJ 

 , r-l (M IM S 



O 





> > 



pi bbS 



03 00 ^ bo 



-3 .2 ^ .5 



^ ^ ^ ** 



ft o ft o 



a^ a^s 



OmOm 



t~ t> t- 1- 

 t~ t- 1- 1- 



00 00 00 00 



O cs 



03 CO OJ 5<, 



CO . CO rt 



be 



bo 



w • 



A bo 

 '^ <u 

 «^ a 



bobobohobobooobo ho bo ho 



9 P .9 .9 i^ .9 .9 5^ .9 .9 .9 



■f3 "u '<H 'S 'G 'C 'C "C 'S 'i- 'm 



_a _g _fl a _g .g .g ^o a _g .g 



bobObb'Si) bo bo bo So bo bo bo 



|x| |x) fq pq pc] Pl) p^ pq pq fq pq 



ft 

 'a 



to n 

 bo bo 



WW 



•ptl O Q> (U 



CO CO 



bo ho 



WW 





^•02 1^ 



M to ^ ^ 



I- H H " h to to 



aj Q) o ►— I oj p j3 



0) (U a> . 2 M i-i 



fl a g oir^ . . 



13 fl n n sh 



p=)WWH P-i^i 



4^ +3 

 CO CO 



a fl 



o o 

 o o 



bo 



a 



g 



'Sj 

 a 

 W 



bo 



.9 

 g 



'bo 



a 

 w 



be 

 a 



bo 



a 

 W 



u u u n 



(U <U (V <!> 



oi (U <u o 



.9 .9 .9 .9 



'bo'ho'Elb'hb 

 a fl a a 

 WWWW 



bo 



Q 



3 

 o 



a 





a 

 -3 2 



ra a ft 



•eua 



a) a o 



§*s§ 



•i,r« 



§w^ 



as fc, 

 00 O 



a a^g fe: 



a a ^ 2 

 o gK <1 

 a a 



-d 

 O 



• o 



m A 



a '-' 



II 



oCQ 



a . 



<!Ph 



a bo 



.9 feb 

 ^ a 

 S o 



^^ 



.a . 

 "St <p 



zi oo i-^ 



a> 



g 



hb 



a 

 w 



be 



• a ■ 



W 



, in 



2* a s 

 ft l^ a 



^ boft 

 2.9 9 



a S^ 

 t" _ -S 

 ^ a»? 



^ S C3 



m Ti •r'! r._| 

 2 g 53 O 



wa^^ 



a "u 



p! a ^ 



(u'Sfi w 



•n 



o 



w 



13 .9 -9 ra 



a 

 o 



a 

 >> 



a 

 o 

 a 

 <1 



ho^ a 

 - n S" a 



ft*^ 2 ft 

 a P « 



o o 



O w "^ 



ca 



§ 



OQhoW 



a 



03 



o 





a 

 o 



a 

 >% 



a 

 o 



J4 



a 



03 



o o 



• r-l 



o 

 o 



> 



ID 



,a 



a 

 o . 



W ^ , to 



a c3 a >a'r; 

 . S a^ <" a fC 





0} 



o 



a 



a 



> > « 



to 4) 



a 'C ^ 

 w i4 ^ H^ ^^ 



to 



•s 



(U ho 



> a 



O H 



<u a 



a 



a • 03 

 M ft ^, a 



^ S a ho 

 ao hpia 



"S a«^ 

 ^ c8 cu g 



c4 fl o a 



.^i.S a o 

 Wcono 



03 



.9 a 



W cu a *; 



a =s 2 



9 ft t* 



a 

 w 



ho 

 a 



■T3 



>- 9 



WtI, 



cS *^ bo 



n oj a o a 



§w „ a- 



<D fl O 



3 ho a , 

 SR a<S 



i=< !:< ^, --J 03 to 



o ho is sa ?2 hb 



a 

 o 



a 



a 

 o 



a 

 < 



a 

 o 



a 



a 



o 



u 



CO a ^j 

 .9 2 PI 43 



^ t>^W^ 

 <u a . .-•: 



Ph ooP^ 

 • a . - 



« i 



0) 



• ..9 - 



bo +3 



•S =0 ^ 



bo 03 a a> 



a fl J« g 



o 

 cS 



be 



a u 

 W 1^ 



„ IJ 03 



a 03 O 

 gga g 



-heg;> 



f^'bbS'hb 

 03 a 02 a 

 SW flW 



.SPg 8-S 

 aow« 



