BY J. J. DE FERRER. 



S53 



TABLE I. 

 Reduction of the observations to t/ie center of (he earth. 



In the calculation of this and the following tables, the paral- 

 lax of the sun, at the mean distance of the earth = 8"62378, 

 and the difference of parallaxes at the passage =21",352. 



Note. The III contact at Petersburg was observed I3 k 28' 29" 

 and I subtracted one minute of time, being prubably an error 

 committed in setting down the time of the clock. 



TABLE II. 



Reduction of die observation to the center o) the earth. 



Paris. 



C, . nwich- 

 K ,v. 

 Oxford, 

 ih. 

 Si Khohn. 

 Upsal. 



II 



Mean. 



-|-7 01,6 



Miiii. 



7 45 49, ■ 



