OBSERVATIONS. 



From the Greenwich volumes we obtain the meridian observations, 

 D. OBSERVATIONS OF VENUS I. WITH THE GKEENWICH MURAL CIRCLE. 



VENUS I. 



Observations with the Greenwich Mural Circle. 



To which are added finally the two observations at Altona, (A.N. XXXIII, 23.) 

 E. OBSERVATIONS OF VENUS I. WITH THE ALTONA MERIDIAN-CIRCLE. 



VENUS I. 



Observations with the Altona Meridian-Circle. 

 CENTER. 



