INDEX. 
page 
Weights , examination of some standard ones, - - 173 
Whitehurst , Mr. John. Account of a machine made by him, 134 
Wilkins, Charles, Esq. Catalogue of Sanscrita manuscripts 
presented to the Royal Society by Sir William and Lady Jones, 582 
W ILSON, Mr. James. A description of a very unusual formation 
of the human heart, - - - - - 346 
W ISEMAN, Mr. B enjamin. Account of a hubstance found in a 
clay-pit; and of the effect of the Mere of Diss, upon various 
substances immersed in it, - - 567, 578 
Wood, James, B. D. On the roots of equations, - 369 
From the Press of 
TV. BULMER & Co. 
Cleveland- Row, St. James's. 
