[ 3°* 1 
chemift ; and, by the experiments which he made, 
he faid he could difcover neither acid nor alkali pre- 
vailing in it. 
We, whofe names are fubferibed, do atteft the 
truth of this relation. 
June £5, 1753. 
B. Dack, Phyfician. 
Edward Cooper, ? c 
B. Gooch, j Surgeons. 
XLV. Agronomical Obfervations made in 
Surry-flreet, London, by Bevis, M. D, 
and James Short. A> M. F. R. S. 
Read Nov. 8, Eclipfe of Venus by the Mcon . 
Apparent Time. 
d h ' " 
1751 26 16 2 l 7 
17 y 6 
5 3 1 
Venus totally hid by the 
Moon. 
Her northern cufp emerg’d : 
and, a few feconds after, 
her fouthern one. 
Venus was totally emerged. 
All thefe with a refledl- 
ur of two feet focus. 
Then her diameter was 
found to be 3 2-+-'', with 
a new kind of micro- 
meter (of which more 
hereafter) ; and alfo with 
one of Mr. Graham’s 
fort. 
