36 



M A G N B TIC S I! V E V O F 1* E N N S V L V A X I A. 



\ ng. 12 



Middle chron. time . 

 Equation of equal alts. 

 Equation of time 

 Chron. fast 



A ag. 13 



Middle chron. time . 

 Equation of equal alts. 

 Equation of time 

 Chron. fast . 



A. M. 



9 h 21- 04". 7 



0" 16 m 25". 9 



p. u. 



3 h 24"> n«.7 



3 h 28' 



h ovm o/;« 



36'. 9 



Elapsed time. 



6 h 03 m 13 B .0 

 Qh 22» 4 p. 2 



+ 09.4 

 —4 42.8 



18 07.8 



Els pi ed time, 



6 h 12 m 1 I s . 



h 22 m 31". 4 



+ 00.7 



—4 32. 6 



18 08.5 



Abstr 



Chron. time . 

 Observed double alt. . 

 True altitude 



Mean time 



Corresponding sid. time 

 K. A. of Polaris 

 Hour angle . 



Latitude 



Mean 



act of Observations for Latitude. 

 Polaris, Aug. 11. 



Set I. Set II 



10" 10 m 53 s . 8 10" 22 m 24".2 



85° 06' 00" 85° 16' 48" 



42 32 10 42 37 30 



9"52 m 46 s .G 10" 04'" 17 8 .0 



19 14 22.0 10 25 55.2 



1 02 53.4 1 02 53.4 



18 11 29.5 18 23 01.8 



42° 28' 41" 4 2° 20' 10" 



42° 20' 00" 



Polaris, Aug. 13. 



