The CONTENTS. 
III. T 7 ;e Method of making Tin-Plates, extracted 
from the Memoirs of the Academy k of Sciences , 
for the Year 1715, by William Rutty, M. T>. 
R. S . Seer . 
IV. ^ Letter from the (Reverend Mr . James Brad- 
ley SaVilian Trofeffor of Aftronomy at Oxford, 
andF.RS. to ZV.Edmund Halley Aftronom. 
Reg. See, giving an Account of a new dif- 
coVered Motion of the Fixt Stars. 
E Re- 
