via DEDICATION, 
with any Principles whereby to form 
a,right Judgment of what they fee. 
Many, again, have laid the Micro- 
fcope afide, after a little Dfe, for 
want of knowing what Gbjedts to 
examine, where to find, how to 
prepare, and in what-Manner to ap¬ 
ply them. The Trouble of mana¬ 
ging it has alfo frighted forne- 
Eut we are now fo fortunate as to.' 
have this Inftrument greatly improv¬ 
ed amongft ourfelves, the Apparatus 
made much eafier as well as more 
ufeful, and the Price confiderably 
reduced. The Solar or Camera Ob- 
feta'a Microfcope, and the Micro- 
fcope for viewing Obi-efts that have 
i Id j 
no Tranfparency, by throwing a 
■ ' ftreng refit aed Light upon them, are 
alfo new Inventions, from v/hence 
mreat Things may be expected. 
Nothing 
