112 
Of viewing the Blood 
fmce Hints of this Kind may prove highly 
beneficial to Mankind, if they fhould be fo 
fortunate to fall into the Hands of thofe 
who are inclinable to purfue and improve 
upon them, 
I come now to defcribe the Manner of 
bringing the Blood to a flridt Examination 
before the Microfcope, and fhall offer fuch 
Ways as I have myfelf experienced ; not 
doubting but the Ingenious will contrive 
others, as they may find Occafion. 
CHAP. VIII. 
Of viewing the Blood with the Microfcope. 
A K E (with the Tip of a Feather, or 
A a foft Hair Pencil) a fmall Drop of 
warm Blood immediately from the Vein r 
fpread it, as thin as poffible, on the cleared: 
fmgle limglafs placed on a Slider on purpofe* 
and apply it to the firfl or fecond Magnifier : 
the Globules will then be feen diflindly, and 
a little Practice will enable to form a. Judg¬ 
ment of any Alteration that may happen in 
the Size , Figure , Colour , or Appearance of 
them. We may alfo examine the Blood ex¬ 
tremely well, by taking up a little of it in a 
very fmall capillary Tube of the thinned: 
Glafs, and then placing the Tube before the 
Magnifier. 
If 
