118 



REPORT ON 



Horizontal Intensity. Observations of Deflections. 





San Francisco Bay, June 



26, 1866. 







San Francisco Bay, June 



26, 1866. 





c 



„ 



Time. 



Temp. 



Si 



11 



Diff's.. 



Dist. 



p 





Time. 



Temp. 



id .5 



E 1 



Diff's. 



Dist. 



s 



1 S 





t 



*l 



3 S 







S 



5 c 





t 



"1 



3 S 









W. 



6>» 40 m 



65.° 



424.3 











W. 



6 h 50™ 



62.° 



60s. 8 









*J 



E. 







114.8 



42 d -4 



72 d -5 





■w 



E. 







98.0 



6o d .8 



37 d -4 





V 



W. 







42.6 



114.9 







W. 







60.7 



98.2 







E. 







115. 1 













E. 







98.4 





















1 





C 



































E. 







IlfJ.I 







N 





E. 







98.4 







M 



a 



W. 

 E. 







43-° 

 116.3 



116.2 

 43-° 



73-2 



II 

 S 



a 



W. 

 E. 







61.0 

 98.4 



98.4 

 60.9 



37-5 



II 



w 



W. 



6 50 



62. 



43-° 









w 



W. 



6 59 



63. 



60.9 

























Means 





63-5 



2ll d 



72.85 



Means 





62.5 



2U a 



37-45 







Coefficient of torsion, v = 



5.30 div. 





U. S. N. 



Observatory, Washingt 



on, Nov. 1, 1866. 



U. S. N. Observatory, Washington, Nov. 1, 1866. 













S ■ 

















g 







p 



_d . 



Time. 



Temp. 



V 5 



§ 1 



Diff's. 



Dist. 



a 





Time. 



Temp. 



"3 "3 



E 1 



Diff's. 



Dist. 



§ 



5 c 



2; " 







<8j 



¥ 







!S 



?, 





t 



«| 



5 S 









w. 



,b 4 n> 



66.° 



280.5 











w. 



jh 2 2 m 



66.° 



52 d -5 









1 



E. 



w. 







123.6 

 28.5 



28^.5 

 123.2 



94 d -7 





^ 



.E. 

 W. 







100.9 

 52.6 



52 a -5 

 100.7 



48^.2 





E. 







122.8 











E. 







100.5 



























C 



































E. 







124.5 







M 





E. 







102.0 







n 



a 



W. 

 E. 







29-3 

 1250 



125.0 

 28.7 



96.3 



II 



a 



W. 

 E. 







52.6 

 101.4 



101.7 



52-5 



49.2 



II 



w 



W. 



1 22 



66. 



28.1 









W 



W. 



1 44 



67. 



5 2 -3 























Means 





66.0 



2U a 



95-5° 



Means 





66.5 



2u d 



48.70 









Coefficie 



nt of to 



rsion, z/ = 



7.05 d 



v. 





















