80 



Observations of Absolute Hoeizontal Intensity, August 11 — 21, 1843. 











OS 







CO 







^^ 













in 







CO 







o 







00 







X 



^^™ 



^^" 



CO 







s 





in 



05 







CO 







C35 













CO 







CO 



o; 







in 



in 













C3i 

 CO 







X 



CO 







tbS 











CO 







l^ 













c» 







CO 







C^I 







in 







in 







05 







o i! 





1^ 







00 







O 













l^ 







00 







C3i 







Oj 







05 







05 







5. 





lO 







in 







CO 













lb 







in 







in 







in 







in 







o 









■* 







TJH 







^ 













Tfi 







•<i< 







■^ 







'S< 







-^ 







•<J< 







-+■1 





o 







o 







o 













o 







o 







c 







o 







o 







o 





1 





05 







cq 







o 













in 







Cl 







1^ 







1^ 







r- 







in 











O 







in 







1- 













1^ 







CO 







»— I 







-H 







in 







•<*i 











•-w 







CO 







00 













in 







CO 







CO 







o 







t^ 







X 





tc 





CO 







CO 







o 













o 







CO 







00 







00 







Cl 







1^ 





o 



C --N+e ca 





,— * 







00 







CO 













MH 







00 







in 







mH 







o 







in 





h:; 



11 ^il 





l» 







CO 







cq 













to 







CO 







CO 







CJ 







o» 







CO 









CO 







in 







CO 













o 







in 







TT 







CO 







<N 















00 







00 







CO 













00 







00 







CO 







00 







X 







X 





fco - S 





t^ 







CO 







•* 













t^ 







J^ 







'* 







o 







CO 







iCl 







•S i> 's 





m 







to 







o 













•—I 







00 







Oi 







o 







in 







CO 





6- 



1§s:2 





^H 







00 







C35 













CI 







CO 







•^ 







o 







(N 







00 







O 







f-H 







o 













o 







o 













©a 







<N 







00 





^1^^ 





o 







o 







o 













o 







o 







o 







o 







o 







o 







o 







o 







o 













o 







o 







o 







o 







o 







o 





^ 



Mean 

 il 

 500 

 in par 





o 







o 







o 













o 







o 







o 







o 







o 







o 





o 



H 



^; 



<1 





+ 







+ 







+ 













1 







+ 







+ 







+ 







+ 







+ 



^ k ■ 



O 



C CI 



?o 



CM 



CO CJ 



CO 



in 



■^ CO 



CO 









CD 



c: m 



o 



c 



C. CO 



CO 



o 



— ■*! 



m 



<Si 



'X CD 



cc 



c 



o — 



_ 



CO 



CO cq 04 ^ <! 





«=i 



a U u 



-c S s 



o >ra 



ira «:> 



ira 



>n 



CO iC 



CO 



CO 



CO cc 



CO 









00 



00 C: 



C: 



c 



G: O: 



C5 



c 



o o 



CO 



o 



O O 



c 



M- 



mI. mm 



M- 



_ 



MM MM ^ .^ _ 





b4 



«o 



X) iffi 



=o 



50 



CO CO 



CO 



■•o 



CO CD 



CO 









in 



in in 



in 



CO 



in in 



in 



o 



CO CO 



o 



CO 



CD CO 



CO 



CO 



CO CO 



CO 



CO 



CO CO CD CO Ci 



be 



C 1 t3 



^00 



<N J>. 



^ 



Cl 



o in 



CO 



o 



CO t^ 



CO 









CO 



05 t^ 



Oi 



I^ 



00 CO 



Ol 



O: 



C3 in 



in 



^ 



^ t^ 



^ 



in 



00 05 



o 



cq 



t^ CO X Tf C 





C3 



go g 



5 ^ 



1^ C 



o 



CO 



00 t>. 



CO 



» 



t^ o 



1-H 









in 



;d — ' 



CO 



00 



in CO 



TT 



Oi 



— <;*< 



CO 



00 



CO m 



CO 



X 



X X 



Oi 



02 



X X X 0) 







r-l 



05 O 



02 



.4 



f-H r-^ 



^— 



o 



o — 



.-H 









Oi 



OS o 



05 



o 



c c 



o 



o 



#— 1 .— < 



^— • 



M^ 



,—1 MM 



— 1 



MM 



MM MM 



MM 



PMl 









rh^ 



Tji in 



■ti 



in 



in in 



in 



in 



in in 



in 









■V 



■* in 



■g< 



in 



in in 



in 



in 



in in 



in 



in 



o in 



in 



in 



in in 



o 



in 



in in in o u 







■^ S -SB 



^■~" 



<o 







CO 







00 



"~^ 











_^ 







CO 



■^~' 





in 







1—1 







CO 



■^■^ 



''^'*" 



00 



OQ 



a> 



o_.2 « =* o 











^ 







r*< 













i^ 







Tti 







00 







■* 







^H 









o 





lor Tem 



Deflect 



Minu 



Temp. 



Vibrati 





in 







t^ 







*-H 













•-H 







CO 







CO 







in 







in 







^-. 



^t 





05 







00 







00 













o 







o 







o 







o 







o 







o 





Oi 







05 







05 













o 







o 







o 







o 







o 







o 





o' 





03 







03 







05 













o 







c 







o 







o 







o 







o 



Eh 

 O 



O 





6 







o 







o 













— < 







-' 







-^ 













»-H 







f^H 









<M 







•^ 







t^ 













in 







in 







CO 







X 







MH 







<N 





TS 





CO 







1^ 







CO 













Tf 







^ 







t^ 







in 







lO 







mH 





OJ 



o 





CO 







CO 







c^ 













'cr' 







CO 







CO 







o 







CO 







in 







g§ 





r^ 







00 







CO 













r^ 







00 







f— l 







mH 







*^ 







CO 



0^ 





*" 



CO 







in 







I— ( 













CO 







o 







eo 







I— 1 







•o 







■<Tl 



o 







o 



(M 







1-H 







»— * 













CO 







- 







- 







1— t 







o 







O 





























































|2; 









CO 







O) 







in 













CO 







CO 







o 







o 







CO 







i^ 



o 





> 



(N 







CO 







CO 













in 







CO 







o 







O 







CO 







CD 









5 



■* 







CO 







^» 













TTl 







CO 







CO 







CD 







in 







C5 



&H 





ft 



• 



CO 







t-- 







o 













CO 







t^ 







CO 







o 







w 







CO 



> 



as 





Xfl 



<N 







1— 1 







1-K 













CJ 







" 







" 







^^ 

















(3 





CO 







o 







(M 





in 



-H X 



o 





CO 







in 







,^ 







CO 







in 







CO 



05 



O 





(5 



CO 







o 



CO 









Sg 



CO 



00 i-^ 



CO 

 CO 





o 







03 



in 







1^ 



in 







6 







in 







in 



di 1 







y 



CO 







i^ 







O 



M 



— 



-M -M 



mh 





CO 







1^ 







CO 







o 







X 







CO 











o^ 







1-H 







rH 





MM 



*— 1 ,-H 



..H 





CO 







.-H 







v^ 







^H 















> 



EH 





Q 



, 





















— , 









„_ 











— , 























, 



,_ 



- , 





f- bb 



. in 



in ^ 



03 



t^ o t^ 



<Si 



f^ 



Ol 'S* 



in 



'J' 



o: C3i 



CD 



CO 



o o 



t^ 



CO 



00 o 



00 



o 



CO CO 



00 



1^ 



CO 0-1 



O: 



CO 



M- CO 



in 



CO 



CO in CO CO ^ 



<1 





^ c 



> — 



C: ■^ 



t^ 



» 



C5 — 



00 



C3: 



CI 00 



o 



in 



m '— 



-H 



'— 



CO 00 



CO 



00 



in -^ 



o 



in 



O CO 



c 



CD 



1^ 10 



Tti 



C3 



o t^ 



X 



«n 



in c CD in o: 



cs 





S'-S 



c^5 



CO CTS 



_l 



in 



O) OM 



o 



03 



I- 1^ 



>n 



r^ 



1^ CO 



o 



,-. 



CI t^ 



o: 



CO 



CO C35 



in 



CD 



CO f^ 



in 



00 



in X 



^ 



I^ 



X Oi 



t^ 



■^ 



in ■^ Tj< CI a 



<5 





a S 



o 00 



<N 05 



w 



"* 



Oa ^ 



c:> 



j^* 



CD t^ 



CO 



in 



•n m 



1^ 



05 



CO GO 



»— < 



CI 



l^ CO 



1^ 



uo 



— 00 



— 



•n 



■<*< in 



•^ 



00 



CD CO 



CO 



CO 



X CO X — c 





^« 



K^ 



-^ 





•>a< 



^ 





CO 



— CO 



—1 



CO 



CO CO 



CO 



■o< 



■* 





'J^ 



^ 





CO 



— . CO 



•-1 



CO 



— i CO 





CO 



— 1 CO 



—" 



CO 



— < CO -^ n ■- 



o 



O 

































































"^ t; 



^ W 



O CO 



05 



1^ 



in CO 



cc 



o 



0-. — 



CO 



05 



00 — ' 



CO 



CO 



Ol •* 



o 



in 



CO CD 



CO 



^^ 



CO rT< 



. 



00 



r^ X 



X 



C5 



X CO 



Oi 



o 



■^ X O CO t 



(4 



8 S 



«^ 



00 l^ 



CO (>l 



in 



o 

 1^ 



00 qs 

 in CO 



in 



CO 

 6 



CO 05 t^ 



^ t^ 6 



00 



in 



in •'Ti 



in 



00 



6 



00 cp 

 00 CO 



00 



no 



in CD 



in 



00 



in r^ 





CO 



in 



in — 

 in in 



in 



03 



in 



in CO 

 6 r^ 



CO 



6 



in 



CO 



q; in 00 l^ c 

 1^ t^ t^ 00 c 





c- 



^ S 



o r^H 



rfi in 



■^ 



in 



in in 



in 



CO 



CD in 



CO 



r7< 



rf -^ 



in 



in 



TJH •^ 



rf 



rji 



■^ Tti 



^ 



■*! 



■^ Tf< 



■^ 



^ 



■* '* 



■^ 



Tt< 



TjH ■<:(< 



^ 



■TJ< 



Tj^ ^ Tj' ^ '' 





H 

 O 



« :3 





~ '^ 



"^ 



^H 



- -H 



"" 



"■ 









" '^ 



'^ 



"■ 



■^ '^ 





" 





'^ 



^ 



-H ^ 



•-H 





^H mH 



^ 



"^ 



^H »-< 



^^ 



^^ 



1— ( MH MH l-< •- 



fcb 



.•^ 



— (N 



CO 



05 



— ' 05 



c 



_ 



CO t^ 



o 



00 



00 in 



in 



cq 



t^ CO 



o 



CO 



1^ o 



t^ 



cq 



o ■* 



CO 



o 



o in 



m 



f^ 



O MH 



o 



CO 



CO O O M- 





-1 

 o 



fl 



.: C5 



■^ ■^ 



Ci 



CO 



CO ■^ 



CD 



CO 



■^ o 



CO 



CI 



— ■ ffi 



1^ 



t^ 



05 CO 



o 



CD 



00 00 



00 



CO 



CO Ttl 



CO 



M- 



O CO 



CD 



CO 



Oi in 



c 



CO 



-H X O 00 - 





^ 



c .^ 



CO — 



•* 



in 



■^ CI 



CO 



00 



05 cc 



CO 



in 



in CO 



in 



cr; 



t^ CO 



1^ 



rr 



■^ in 



Tfl 



•<*< 



"Tl Ttl 



■# 



in 



in Tji 



■^ 



in 



in CO 



CO t>- r^ CD (^ N c 





Q 



c3 



<?^ 



TT< ira 



■^ 



in 



in in 



in 



in 



■n in 



in 



Tf 



•<^ Ttl 



in 



•^ 



■^ Tl 



Tl 



•^ 



■^ -^ 



■'tl 



■^ 



•^ -^ 



■^ 



■V 



Ttl 1^ 



rf< 



■^ 



'^ Tjt 



<cfi 



■^ 



^1 ^ ^ ^ ■ 







• B ? g 



no 



O O 



00 



O 



c o 



c 



o 



CO CO 



05 



"^ 





— ' 



o 



05 O 



^ 



CO 



o CO 



o 



00 



o o 



CO 



CO 



X O 



o 



t^ 



X o 



cq 



X 



O » O C: 







o 0- 3 



c 



O) ira 



1^ 



Tfl 



■*! r^ 



CO 



■^ 



CO c-l 



cq 





1 





CO 



-* CO 



— . 



CO 



CO — < 



CO 



CO 



CO CO 



CO 



cq 



CO CO 



CO 



CO 



CO CO 



CO 



CO 



CO CO ^ ^ ' 





< 



sa 

 o 



7-, 



&- &,;i 



l^ 



•X) o 



«5 



o 



CO CO 



CO 



CO 



CO cc 



CO 







CD 



CO CO 



CO 



CO 



CO CD 



CD 



CD 



CO CO 



CO 



CO 



CO CO 



CO 



CO 



CO CO 



CO 



CO 



O CO ^ CO 





H 



fS W 



^ 



H 



^H 



^ 



H 



^H 



^ 



H 



^H 



^ 



Piq 



^pq 



^ 



H 



^H 



^ 



H 



^H 



^ 



H 



^H 



^ 



H 



^H^S; 







o 



T'^^ 



H ^ 



P 



rv 







^T' 



X'T' 



X'V 



XV 





W^'^ 





c 







o 





o 







o 







o 







o 







o 







o 







o 





a 



m 



o 







o 







o 













o 







o 







c 







o 







o 







o 







ft 





o 

 in 







in 

 in 







in 



CO 













o 

 in 







in 

 in 







o 



CO 







in 



CO 







o 







lO 







e2 



C 00 



00 



— 



CO c 



>n 



CO 



— o 



CO 



o> 



CO CI 



t^ 



^„ 



CI o 



CO 



CO 



Tfl O 



CO t^ 



T}< in 



CO 



CO 



CO -< 



Ol 



^^ 



t^ X 



CO 



X 



^ CO 00 M :'" 









Tf ■* 



in 



^ 



-H CO 



in 



— 



CO CO 



in 



CO 



^ « 



■^ 



CO 



in CO 







lO CO 



■*! 





-H CO 



CO 





in ■* 



'^ 



-^ 



MM CO 



CO 



•<7< 



ijH CO P5 m J 





c 



- QJ C 

 5 fl o 



^(M 



(M CO 



(N 



CO 



CO in 



in t- 



t> 00 1> 



o 



O -H 



CO 



CO 



CO O 



^ 



rt 



o o 



o 



rt 



^ r-( 



^ 



CO 



MH MH 



rt 



CO 



CO CO 



CO 



CO 





t 





























CO 



CO 



































£ 



3 C ° £ 



5 Cj 0) 



J 

























o 



_ 



































-f 



"C -H 

























CO 



CO 



































c 



= 1 g 



^ 

 < 

























be 

































^ 



