Art. 11. Observations on the Solar Eclipse of July, 1833, and 

 the Longitude of Albany, in a Letter to Simeon Db Witt, 

 \st Vice President, from Stephen Alexander, A. M. Cor- 

 responding Member. 



Princeton, (New- Jersey,) Feb. 6, 1833. 

 Esteemed and respected Sir, 



Presuming that they will not prove uninteresting to you, I send 

 my observations on the Eclipse of July last, as also the Longitude 

 of the Albany Academy as deduced from it and several previous 

 occultations of the fixed stars. 



SOLAR ECLIPSE OP JULY 27th, 1832. 

 Beginning, at 7h. 7m. 2s.5 A. M; (Moan Time.) 

 End, at 8h. 45m. 45s.5 



Duration, Ih. 38m. 43s. 



t upon the temperature could be 



Although no very sensible ( 

 expected, two thermometers v 

 and two placed in the shade. The bulb of one of each pai 

 coated with a black pigment. The results were as follows : 



The last four colum 

 minute, between each 

 dicated by each 



No.3.|No.4. 



about about 



i-isl 0 



1-24| I-I2I 1-48 1-48 

 13 5-I3I 7-52| 2-13 

 12| 1-12| l.ie\ 1-24 



of temperature per 



