THERMOMETRICAL OBSERVATIONS. 231 



Took the greatefh elongation of « Unk Minor. Weil. 



Obferved zenith diftance of Caftor 1° i8' 2-]".$ n. 



do. . . Pollux 2 30 26 s. 



Took the greateft elongation of « Urfs Minor. Eaft. 



Thermometer 40" at fun rife. 



20th. Set tlie clock two minutes forward, and raifed tlie pen 

 dulum bob. 



Turned the face of the Scftor Weft. 



Equal altitudes of the Sun. 

 A. M. 9" 3' 52". P. M. 2" 55' 26". 5. 



Traced a meridian by biie(fling the angle, formed by the 

 greateft elongations of « Urfx Minor. Eaft, and Weft. 



o t If 



O's preceding limb on the meridian at 1 1 58 26* A. M. 

 Subfequent do. . . . o o 34 P. M. 



Centre at . . . 



Sirius paffed the firft fibre of thel 



tranfic inftrument at J 



The meridian at 



The third fibre at 



h ' II 



27th. 0's preceding L'mb on the meridian at 11 58 15 A.M. 

 Subfequent do. . . 12 o 23 P.M. 



Centre at . . . . 11 59 19 A.M. 



Obfenred zenith diftance of /2 Tauri 2° 36' 38".j s. 



H li 2 Sirius 



* The Sun's paflage over the meridian when it occurs, is entered accord- 

 ing to the civil account. 



