( 3^49 ) 
drawing to the life in proportion g from a great to a fmall 
volume^ any Terreftrialobjeds, that are at a competent di- 
ftance to be well feen^ without a neceffity of having any 
skill in drawing. 
8 . Contains the life of the Microfcope in- all its kinds 5 to- 
gether with a way of meafuringj how much a Microfcope 
magnifies the Objed:, 
9. 1®. II. Treat of the Ufe of Telefcopes in the Obfer- 
vationsof Celejita! Objeds : Where the Author enumerates 
the many excellent Dilcoveries^that by their means have been 
made by modern Aftronomers^who therefore may be faid, 
Admovijp oculis difiantia fidera mflris^ 
MtheraquB ingenio J^ippofuiffe fm^ 
Such as are, The Conjunilion of Mercury with the Sup^ 
2,Venus having her phafes like the Moon, 5»The Body of the 
Moon appearing like an other Earthy full of Mountains and 
VallieSj Seasj Rocks, Iflands, Lakes, Forrefts and vaft Plains «, 
as alfo the Libration of the Jlloon, 4,Spots in the Sun« 5. The 
Four Satellits of Japiter* 6^ A Satelies of SaturOj and Rings 
about the fame. 7. Several Belts about Jupiter^ and divers 
Spots in il/^rx^ Venus, &c. §. The ^/^7/^ v ii^^)/ nothing but an 
innumerable company of fmall Stars, near to one aoother. 
9 The finding an Eclipfe to begin and end fooner wlieo cb- 
lerved with the naked Eyejthao when feen with a Telefcope ; 
ssalfo, that it appears always lefs bya digit^ being obferved 
by the bare Eye, than icis indeed, 10* Tleiades coEfift- 
iiig of many more Stars than Seven. 1 1. Omn having 80 other 
Stars befidesthofe three in his ^^/^ 5 and the fix in \r\%Smord% 
And the fame having in his head ai^ inftead of the onej called 
tliQ Nebulcfi. 12. The Obfervation of many New Stars, as 
in CaJ]tdpcea^ in Cete.in Cygno^ Andromeda, &c* Here the Author 
taketh occafion to intimate ^ that the rich Blew of the Sky 
leems to be nothing eife^ but a Confufion of the mixture of 
lights diffafed by thatinnumerablebumber of Srars^ difperfed 
through the whole extent of that immenfe profundity of the 
Ethereal Region. 
i?^..Teaches 
