4oo 



INDEX* 



sian, 11,321 

 to Japan, 



issue of a, 209; 

 3 2 9 



fV&rrifs patent, 367 



If-'a^hing, composition for* Pa- 

 tent, 307 

 Water. To prevent from burst- 

 ing pipes in the time of frost, 



H7 

 iVater-proof 'leather, &c. Patent 



for, 393 



Windmills. Patent for, 393 



Wit%hbcn . De a t h o f, 19 



Wolfiuss object glass, 183 



tf'c :/. Exper. on the yolk of, 



and observations on washing 



and bleaching of, 33 * sale 

 of tha^from the King's flock 

 of Spanish sheep, 190 



Woolf's improvement of fleam 

 engines, 133 



Wright on the freezing of wa- 

 ter in leaden pipes, &e. 147 



Tarn, Patent for spinning, 



3.07 

 ZambeccarVs second ascent with 



a balloon, 389 



Zink and tungsten. Exper. 



with, 3 1 



Zucchi. Reflecting telescope 



of, 188 



XND OF THE NINETEENTH VOLUME* 





.J 



V 



R. Taylor and Co. Printers, Black-Horse Court. 



