M A (i N E TIC SU R V E Y P P B N N S YL V A N I A 

 Abstract of Observations for time, equal double Altitudes of Sun. 



, Gd tlmp. 



35 



S.'l 



1 



2 . 



3 . 



Mean 

 Middle chron. time 

 Equation of equal alts 

 Equation of time 

 Chron. fast 



A U 



'.''' 22" 42". 3 

 lo is •_':;. 2 

 10 38 39.8 



lo 06 35.1 



!• M 



.•;'' 29™ 19'. 1 



2 33 



2 13 39.1 



2 4.". 37.6 



1 3T'. t 

 4 l. r > 80.2 

 :i 34 



l 39 02 5 



h 26 m 06". 3 



+ 8.0 



—5 lo:; 

 o 21 04.0 



Abstract of Observations for Latitude. 



Abstract of Observations for Azimuth of Polaris. 



Aug. 9. mean of times 

 Mean circle reading 

 Mean time of observation 

 Corresponding sid. time . 

 R. A. of Polaris . 

 Hour angle 



Azimuth of Polaris 



Heading of Polaris 



" ast. meridian 



" magnetic meridian 



Magnetic declination W. . 



Mean 



Dunkirk.— 1841. Lat. 42' 2'." .3; long. 79° 22' 



0° 30. 



Abstract of Observations fur time, equal double Altitudes of Sun. 

 Au- 11 . 



Bet. 



1 

 o 



Mean, 

 Middle chron. time . 

 Equation of equal alts. 

 Equation of time 

 ( Ihron. fast 



A. M. 



9" 49 m 53 s . 8 

 10 11 42.1 

 10 28 09.3 



10 09 55.1 



P, M 



2 h 55 ra 45". 6 

 2 34 04.0 

 2 17 33.9 



2 35 47.8 



El;tpt>e<l timr- 



5* 05 m 51'. 8 



4 22 21.9 



3 49 24.6 



4 25 52.8 

 h .j.j,,. 5,^4 



-I- OS. I 



—4 52.6 



18 oT.2 



