(174 J 588 
* 
es HOUTEAU’S LOWER TRADING HOUSE, RIGHT nota OF 
THE KANZAS RIVER, 700 TEE. ABOVE THE LEVEL _ OF THE GULF OF 
Determination of latitude, June 9, 1842—altitude of Polaris. 
OBSERVATIONS. 
Double altitude of Polaris. Time of chronometer. 
min. set. h. min. sec. 
75 24 50 3 29 59 
75 25. «06 3 31 50 
75 26 00. 3 33 35 
75 26 20 3 35 22 
75 27 00 3 37 00 
7% 2 40 eS 
75 50 3 40 42 
75 zo. 40 3 42 05 
i) 30 40 3 44 14 
75 30 50 3 46 07 
Thermometer 55°. 
= . RESULT OF CALCULATION. 
True altitude. _ Mean time. Latitude. 
— min. sec. h. min. sec. Deg. min. sec. 
42° 26 9 31 43 39 0553 
- 
* Jet 9, 1842—altitude of Antares in im meridian. 
| Double altitude of Antares True altitude. Latitude: 
mins see Day ie aa capdiee Sale: 
eee = Sets oh 2s: 
