of the meteor of 1807. 217 
In the triangle Cwm. 
Cmw 82° 4°39" Sine AC 0:0041651 ew eee es eee 6000417 
Cw 3982 lo og. 36001013 = = = 3°60010 
Cwm 9541 50 Sine 9°9978494 WM 9° 13/31” Sine 858915 
€m 4000'51 log. 3°6021158] wm 156°1 miles log. 219342 
In the triangle Csm. 
Cm+Cs  7982°51 log. AC 6°:0978605| Cms 53°24/36” Sine AC 0°09533 
Cmn Cs 1851 log 12674064) Ce 3982 log. 3°60010 
3sum ang. 89 49 112 Tang. 12:5025138)sCm 02137 Sine 7°79851 
3diff. ang. 36 243524 Tang. 9:8677807| sm 31°2 miles log. 1°49394 — 
Sum —-:126 13 47=Cem.-. Alt. at Weston 36° 13’ 47”, a 
Diff. 53 24 36—Cms 
The course from S to M is nearly N 3° W, the distance SM 21’ 
37’, or 2162 ; hence the difference of latitude is 21/59 =21’ 35”, the 
departure 1'*13, and the difference of longitude 1°51 =1' 31”, 
Latitude of Weston 41° = 0”  ~_— Longitude of es felt 2 0” 
Diff. of latitude 35 Diff. of longitud 131 
Latitude of Meteor 41 36 35 N Long. of Meteor (73:28 31W 
PROBLEMII. Fic. 2 
Suppose that in two places s, w, in given latitudes and longitudes, 
| 
i 
E 
7 
3 
q 
the angular elevations of a meteor Csm, Cwm, were observed, and the 
azimuth PSM at one of the places. _It is required to find the situa- 
tion of the meteor. 
Te Se 
ee ere Pa eee en Nae Geen Ny, See RT aT Se Re ee ee a ee ee Pe ee ge eae 
