C O N T E N T S, vii 



CHAP. XXII.page 128. 



Manga nefe. 



Natural Hijlory ofManganefe.Its Effeffs on Glafs.Regulus or Me. 

 tal. Black Wad. Manganefe contained in Vegetables. U/es in 

 the Arts, 



CHAT. XXIII. page 131. 

 Nickel. 



Natural Htftory of Nickel. Metal how obtained.^Detonates tuitb 

 Nitre.' Has a ftrong Repuljionfof Silver, and Attrafiion for /- 

 pbur,~A ufelefs Mineral. 



CHAP. XXIV. page 134. 



Cobalt. 



Natural Hi/lory of Cobalt. Analogy between this Metal and the blue 

 colouring Matter of Vegetables. Mode of aj/aying it, Mines of 

 Cobalt. Smalt t or Powder Blue. Ufes of Cobalt in the Arts. 

 Curious Jympathetic Ink. Changeable Land/cape. Union *uiith 

 otbir Metals. 



C M A P. XXV. page 139. 



Bifmuth. 



External Qualities of Bifmuth. A powerful DiJ/ol-ver of Earths. - 

 Pearl White, a pernicious Cofmetic. Curious Experiment. A metal- 

 lic Compaction, -which melts in boiling Water. Various U/es of 

 Bifmuth in the Arts. 



CHAP. XXVI. page 143. 



Antimony. 



Natural Hijiory of Antimony. Regulus.Sno*w of Antimony. Cate- 

 nation of Antimony. Combinations with Acids. Butter of Anti- 

 mony. Antimonial Wine. U/es of Antimony in Medicine. F forts 

 Antimonii. Glafs of Antimony. Crocus of Antimony. -~Sulphur of 

 Antimony. Tartar Emetic. James's Powder. 



CHAP. XXVIL-^page 150, 

 Zinc. 



General Defcription of this Metal. Pbilofopker's Wool. Union with 



Acids. White Vitriol. Detonation of Zinc with Nitre. Comti- 



A 4 nation 



