242 



APPENDIX. 



Obfervations for finding the Longitude by the Time- keepers. 



June 28, P. M. 



Time by 



the 

 Watch. 



5 56 50 

 5 J8 40 

 5 59 ' 



Alt. of the 

 Sun's lower 

 Limb. 



Alt. of the 



Sun's 



Center. 



Apparent 

 Time. 



Mean 

 Time. 



Watch 



too 

 (low. 



20 45 o 20 54 30 6 33 2! 6 36 5 

 20 42 o 20 51 30 6 34 18 6 37 2 

 20 40 o :o 49 30I 6 34 55 6 37 39 



h / // 



At 1 2^ by the Watch, me.in Time at the Ship, 1 2 38 ig . 

 At Greenwich, by the Watch, 12 79 



39 >5 



38 22 



3S 37 



1 Mean 

 J 38' 29" 



h / 



Lat. 

 Decl. 



Eq. Tfme 



Difference of Meridians, 

 Longituile ot the bhip, 



o 31 20 



7" io' o" E 



12 38 29 



12 59 26 



o 39 3 



rp .1 , rll 



9 4> 45 



77° 30' o" 

 23 16 10 

 2 + 44 



\\ I ir 



• 12 38 29 



12 I 2 



o 37 27 

 9° 21' 4S" 



June 29, P. M. 



Time by 



the 

 Watch. 



3 4' 37 

 3 43.25 

 3 4^ 3° 

 3 47 44 

 3 4'» <3 

 3 50 24 



Alt. of the 

 Sun's lower 

 Limb. 



37 29 

 27 10 



27 1 1 

 27 6 

 27 o 

 26 57 



Alt. of the 



Sun's 

 Center. 



27 39 "o 

 27 30 JO 

 27 21 10 

 27 16 10 

 ?7 10 10 

 27 7 10 



Apparent 

 Time. 



22 41 

 25 I 

 2'^ 47 

 30 28 



32 3O 



33 29 



Mean 

 45' 25" 



Lat. 

 Decl. 

 Eq. Time 



At I z** by the Watch, mean Time at the Ship, 12 45 25 



At Greenwich, by the Watch, 



Difference of Meridians, 

 fvongitude of the Ship, 



12 45 2; . 



7f>° i'4o" 

 23 13 15 

 3 + 



12 45 25 



12 7 21 by Arnold, 11 59 11 by Kendal, 12 i 3 



o 38 4 

 9«3i'o" E 



o 46 [4 

 I. "33' 30" 



o 44 22 

 ij°5'3o' 



June 30, P. M. 



Time by 

 the 



Watch. 



t> / /' 



*S8 43 



•(10 4 



6 I 371 



All. of the 

 Sun's lower 

 Limb. 



20 27 o 

 20 20 o 

 20 15 30 



6 2 z.i\ 20 «4 15 



Alt. ot the 



Sun's 

 Center. 



20 36 2; 

 20 29 25 

 20 24 ;<; 

 20 23 4P 



Apparent 

 Time. 



h / /* 



6 40 I 



(1 42 21 



6 43 5- 



6 44 17 



Mean 

 Time. 



At 1 z** by the Watch, mean Time at the Ship, 

 At Green\vich, by the Watch, 



DifTercnce of iVIeridians, 

 Longitude of the Ship, 



K / // 



6 43 14 

 6 45 34 



^ 47 5 

 6 47 30 



h / 

 12 45 29 . 



Mean 

 45' ^9" 



Lat. 

 Dccl. 

 Eq. Time 



29 



/S' 

 ^3 



' 7'- 15" 



9 20 



3+'3 



. J2 45 29 



T7 7 " ~5 7 - TJ -7 



12 7 34 by Arnold, 11 58 ^5 by Kendal, 12 o 59 



o \7 55^ 



9° 2S* 45 E 



o 46 34 



ti° 3a' 30" 



O 4'r .It. 



n°7'3o" 



Obfervations 



