INDEX. 
page 
V 
Vibration of watch balances , investigations for determining the 
times of, - _ _ ng 
Vince, the Rev. Samuel, A. M. Observations on the funda- 
mental properties of the lever; with a proof of the principle as- 
sumed by Archimedes, in his demonstration, - 33 
Vision , observations on, - - _ - 196 
W 
W atch balances , investigations for determining the times of their 
vibration, - - _ _ - 119 
Wax-like substance , from Madras, observations and experiments 
upon, - - - - -383 
Weather of 1793, remarks on, - 
Whitehurst, Mr. observations on an apparatus of his, - 
Wilkins, William, Esq. An account of an appearance of light, 
like a star, seen in the dark part of the moon, on Friday the 
7th of March, 1794, - _ _ 429 
W oodman , Thomas B. Esq. Account of a spontaneous inflamma- 
tion, - - - - 426 
Y 
Young, Mr. Thomas, remarks on an opinion of his, » 201 
From the Press of 
W. BULMER Co. 
Cleveland- Row, St. James's. 
