[ i 82 ] 
The diameter of the fun, in a horizontal dire&ion, 
was meafured juft after the tranfit, and found to be 
= 31' 30.8" 
The clock at Savile-Houfe was feveral times com- 
pared with my clock in Surry-Street, from Friday 
evening, the 5th June, to Monday evening, the 8th 
June; fo that I am as fure of the time at Savile- 
Houfe, as if the obfervation had been made at my 
houfe in Surry-Street. 
Ja. Short. 
XXXIV. Obf elevations on the Tranfit of V e- 
nus, June the 6 th , 1761, made in Spital- 
Square ; the Longitude of which is f ii ;/ 
TV efl of the Royal Obfervatory at Green- 
wich, and the Latitude 51° 3 1 ‘ 15" 
North ; by John Canton, M. A . and 
F. R. S. 
Read Nov. 5, T TAving meafured the diameter of 
17fil * X X Venus, on the fun, three times, 
with the objetft-glafs micrometer, the mean was 
found to be 58 feconds ; and but fh of a fecond, the 
difference of the extremes *. 
* With the fame micrometer, the diameter of Venus was mea- 
fured, off the fun, twelve times, March the 29th, 1758, about 
noon; and the mean was 1 1 42 //7 ; whence the diameter, at 
the time of the tranfit, ought, by computation, to have been 
i' o" JO" 7 . 
The 
