I58 'Tartar Vitriolated, 
great Civility of Mrs* Glutton and Mr. Corbin , 
Chemifls and Partners, in Holbornt (whofe 
kind Abidance I thankfully acknowledge 
in this public Manner,) it would have been 
in my Power to procure very few of thofe I 
fhall hereafter mention * 
i 
CHAP. XXX. 
Tartar Vitriolated • 
IT I HE rectified Oil, or rectified Spirit of 
Vitriol, dropt gradually itito Oil of 
Tartar per deliquium , till it caufes an EbullN 
tion, produces (by evaporating the Hu¬ 
midity) a white Subfiance called ‘vitriolated 
Tartar 
This diffolves readily in hot Water, and 
a Drop of the Solution applied on a Slip of 
Glafs before the Microfcope, begins fhoot- 
ing round the Edge in great Numbers of 
Very minute and tranfparent Spiculee, de¬ 
tached intirely from one another, and with¬ 
out any of that Balls at the Edge of the 
# Vitriolated Tartar is commonly an Ingredient in Povy- 
ders for the Teeth, as on rubbing them with it they be¬ 
come white immediately : but it fhould be ufed feldom and 
with great Caution, wafhing the Teeth well with feveral 
Mouthfuls of Water afterwards: for it whitens them by 
Erojion , and if frequently applied will deftroy their out¬ 
ward clofe and hard Coat of Enamel, after which the inters 
nal and more fpungy,Part can lalbbut a little while. 
