The Prefacke 
may not finge or burathe Paper,, . Inftead of which Paper,thete, may be. 
ae ule of e Gnall piece of Loaking-gfafs pias , one of pores ismade. 
~ Gate eae Objeéts; for by this means the light isfo c ually & | ses 
C of the Sun: 
drowt- 
Eke ie 
of 
the Pillars .ov the undetmoft of thele | plac'd.a pretty, ier e Glabe of Glals 
G, fill with exceeding a Brine, hone, inyert and fixt in 
vifible Gn'the Figures" SH n 
give ages through the Ball > By means of this Inftryment daly flag 9 ia 
_ degree of magnifyingthey: leave us again in the lurch... Henceit were very: 
defrable, that Soave ht -were thought of for making the Objeét-glals of 
