In APyrites. 193 



it with coal-dud, in the fame manner as is done at 

 the brafs- works for foffil calarny, and with this 

 mixture I c c fed the copper in the crucible, and by 

 letting the whole flux, or run well together, pro- 

 cured a b i ! s like any other brafs, excepting that it 

 is fomewhat more brittle, though it may bear being 

 drawn into wire as far as n° 15, 



Among this furnace calarny, forwards in the 

 cl nks of the furnace, about and over its breaft, 

 there is a fpongy^ woolly, white powder, but in 

 fmall quatnity, ufually called at our houfes hut-no- 

 -, alfo fi ply, /, or nibiluw, which is 



the very fame I 1 . under the clafs of 



;, as f( v- - indeed zjnky, yet 

 i little at 'finical, and to be diftinguifhed 

 from the proper arfcnic-mea.1 9 called alfo hut-no- 

 things which commonly mounts higher. The ge- 

 nuine arfehical but -fume is a noxious thing, not de- 

 ferving the name of that innocent drying matter, 

 ufed for the eyes. Nothing, or nihilum, is an ap- 

 prllation in u(e alfo among druggifts and apotheca- 

 ries ; and the celebrated M. Lincke, apothecary at 

 Leipfic, informs me, our modern nihilum in the 

 ps \s only a tender, foffil, white earth, or marl, 

 afcjfilis; and fuch 1 myfelf have hitherto found 

 it: lb that it is highly nee flTary, on many accounts, 



to a viiitation and in- 

 • with, :; not rather than, apothc- 

 tter are a f pplied by the for- 



mer with their drugs. -, this (hop-mbiluM 



:, or lime ; M. Er? 

 ing me, that fome 

 ia burn fpafd to a lime, and fell 

 it Id large quantities to the drugging of Nurem- 

 • and Francfort, under the name Nihilum* Ni- 

 hilum, or nothings was, doubtlefs, formerly, among 



O druggifts 



