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lescope, which we foon effected to our own, 
great Satisfadion j and it has likewife been fa¬ 
voured with the Approbation of the bed: Judges 
in Theory, as well as of thofe Gentlemen whole 
Naval, or Military Capacity, has made 
them more than ordinary Converfant with the 
Ufe of it: This Improvement *tis certain is of 
no fmall Confequence towards the Compleatnefs 
of the Inftrument, and we doubt not, but upon 
every Tryal, will carry with it its own Evi¬ 
dence, as it is founded on the jufteft Princi¬ 
ples, and Rules of Opticks. 
This Succefs in the Telefcope encouraged 
us to the Examination of another Inftrument, 
no lefs ufeful, as well as entertaining, viz. the 
Microfcope.-*-lt is a Maxim in Philofophy, 
that Nature is never more perfed, and entire, 
than in the Minuteft Objeds: The Microf¬ 
cope being adapted to fuch Objeds, opens to 
US a world of wonders, fome of which would, 
wholly efcape the Eye, and others at beft ap¬ 
pear confufed and indiftind. 
It would be tedious to take particular notice 
of the feveral kinds of Microfcopes that have 
been invented, they may in general be re¬ 
duced to thefe two, viz. the fimple, and 
compound, 
