INDEX. 



Water, on the gravity of, as afTefted by cold, page 427. 



on the expanfive force of the fteam of, 345. 



on the manufacture of veilels for cooling, 371. 



Watt, Mr. on tefts for detecting acids and alkalis, 180. 

 Wedge, on the mechanical power of the, 3 16. 

 Weights and meafures, intelligence concerning, 112. 



■ ■ explanation of the French, 245. 



Wine, to difcover when it is adulterated with metals, 3 1. 



Worms, to deltroy or drive away, 169. 



Writings, experiments to render them indeftruclible by fire, 173. 



Wurmb, defcription of the large orang outang by, 225. 



■ obfervations on his account of the orang outang, 337. 



Yel'ow dye, Aftracan procefs for a, 127. 



Zoonic acid, procured from animal fubftances, 68. 



439 



'. ... . > ,.. 



END OF THE FIRST VOLUME. 



