ON GRAPHIC METHODS IN MECHANICAL SCIENCE. 



467 



> 

 'B 



o 



1 1 



3 

 o 



a 



o 



00 





I 



C 



o S 2 



a M 2 



° boS) 

 " 03 ca 



SH S S 



O i^! !^ 

 w O ° 



MOO 



000 



bo 



I-tstS -a 



a 

 o 



o 



a 



'3 



!0 



(U 



I— I 



CS 



o 



a 



O l-H 



-^ r 



w 



2 be 



a 1=1 



a • 



P o 





a 



CIS 



a 



ft CS ^ 



a.^ CO 



o 

 O 



m to . 



a a 2 

 c3 es a 



(-1 H c3 



bo be >-I 

 c« ca bo 



d d ^ 



y ^3 o 



a a;g 



cog 

 OOh5 



m o3 2 



a a a 



g d g 



bo &o yj 

 ca ca _ra 



r^ r^ ^3 

 'C '^ 'TJ 



El fl a 



3 3 3 



000 

 ft ft ft 



a a a, 

 000 



c 



03 



a 



a 



03 

 !h 



bo 



o a o o 

 a S « S 



*^ O Q o 



faoft-f5 ft 



•S atS a 



Q O 



CO 



00 



00 



CO 



00 

 00 



rH 10 10 

 00 CO CO 



GO 00 00 



lO in 



CO CO 



CO CO 



10 CD to 

 GO 00 CO 

 CO 00 CO 



00 



00 



to 



00 

 00 



CO CD CD CD CD to t^ 

 CO 00 CO GO CO 00 00 

 00 00 00 00 GO 00 00 



00 



CO 



<^'^ ^ 1-; ,_: -^nS ^^-^►_ r^ <^ "^ S CDO500«S'^nl r^ -^ 



g>^ >3 >< d ^m ^ d^*^ M >< X >< ^^^a^>^ g ^ 



M X '^ "^ .^ ■ 



-• ^ -a 



P ,, .....Ml-I. 



"<l""'' <1<J 



5 . .....cscs. 



§.'''' ^ '^ hn 



bCboSObObo bcbc .bobObD^^g^ ^ ^ a 



•c 's 'c •?:; -s M "i^ -G 1. 1. § 'S Si '^^ fe s s s s s s oj tS >a s 



s§ I § § §§s §§ «s§ s I I § lll.s.as s .3 



II ^ ^ ^ III II ^11 I W W H WWWWHH H W 



S 3 



o o 



a a 



a a 

 o o 

 c a 



o 



a 

 >^ 



a 

 o 

 a 

 < 



o 



a 



o 

 o 



o 



a 



a 

 o 



''•' «\ "J 

 ^ S == 

 S 2 s 

 as a 



0-^0 



c . a 



<!l M ■< 



3 3 

 O O 



a a 

 ^ >> 



C 3 



o o 



2 b 



V) CO 



*- 3 3 

 ci o o 



.-• a a 



Moo 



. 3 a 

 <<< 



o 



a 



a 

 o 

 a 

 <! 



fl fl'o 



*X CO 

 2 ca c« 



.2 i! «> 

 S =« ft d 

 >l|l 



'^ O c« rK 



i^ 2 g 



re ft ' 



o 



a 



'bo ' 



<u 



■+^ 



'a 

 P 



1 -P I^J "i N O 



03 

 ft 

 M 

 W o 



.2 -r; 02 o N 



.&^ !=!« 



0) CO 



a a 



c« c« 



<P <D 



CO OJ 



fl o 

 o ^ 



, . 0) ■ 



• a 

 •" .2 



ca 'co 



.y bO 



,a a 

 ftH 



*^ o 



" *co 



u a 



o 

 a cc 



.2 ' 



'co ^1^ 



ft 2 



t3 ft 



a 'G 



■ o 



ft.S 



o 5 H a 



„ ft.S ftH cci 



o o 3 M D 



S^SoSco^^q'^ «3 

 atoaaa>a2^cuo^ 



; o 



2- o.. 



CO "3 en a 



bl 



o 



^5 



w w 





w 



ml 

 - w 



CO ^ 



be . 

 3 CC 



cs a 



CO 'f' aj 



a 03 ft 



3 2 =« -^ 



o -a _, •r' -"^ 

 03 o 



a 



_ft 



CO 



a 



ca 



0) 



02 



■a 



_P 



IB 



a 



bo 



a 



C 



« a b 



2 o ° 



a r-i CO 



bo o ^ 



a "^ 



CO r- 

 •" CD C 



bog i 

 M ft bo fta t^o \ 



bo 



o 



o 



a 



a 

 o 



fl 

 < 



fl 

 ft 



m 



o 



fl 



• l-H 



bo 



fl 



d) 

 a 



CM S 



O - 



befl 



CO fl o 



a ft CO 

 •- ft fl 



atS *^ 



(3 03 •« 



p^ ^<j<^^c4W ^ 



3 

 o 



rfl 



• o 

 a 



'be 

 fl 



. o 



ca 



P 



". a 



w o 



OQO 



3 

 o 



a 



a 

 o 

 

 -< 



■ • o •" 



2 fl 

 .'bo'g fl 



lg|a 

 ft fl ft 

 ■ § a 'S^t 



.s s a <a 

 l^fgQ 



2 '« 'S S 'fl 'bb^ 

 '^ a H ft is c -^ 



c3 



3 



rfl 



o 



^a 

 .a § 



tn CU 



Ol t/2 



w^ fl 



a Ti .S 03 



be g 71, i^ 



p ft bOrv] 



>i ft a d r=rS bo'^ 







R H 2 



