tife of Of ticks ready ibt the hefs 5 but though I have ^ufed my | 
utmoft endeavour to retrieve it^yet I have in that point been total- i 
Jy unfuccesful : But fome loofe Papers and Letters I havejparticu- | 
larly about this Inftrument for taking of Angles, which was far^ \ 
from perfed. Nevertbelefs, I find it fo much to exceed all others, ; 
that I have ufed my Endeavors to make it exaifi, and eafily trada- 
ble 5 which above a Year fince I effe(9:ed to my own defire, by the 
help of an Ingenious and Exa(5t Watchmaker in thefe Parts : Since 
which time, I have not altogether neglected it^but employed it 
particularly in taking the Dijimces (as occafion feived) of the 
Circum-jdvialifls ^tomrds a perfed fetling their Motion. I fliall 
only fay of ic. That it is fmall, not exceeding in weight, nor much 
in bignefs, an ordinary Pocket- Watch , exadtly marking above 
4P000 Divifions in a Fooh by the help of two Indexes \ the one 
fliewing hundreds of Divifions, the other, Divifions of the hun- 
dred 5 every laft Divifibn, in my fmall one , containing 10 of an 
Inch and that fo precifely, that^as I ufe it,there goes above 2 » Di- j 
vifions to a Second. Ytt I have taken Land- Angles feveral times. | 
to one Divifion, though (for the Reafon mention'd by M, ^nzofft) 
it be very hard to come to that Exaftnefs in the Heavens ^ Fiz^ 
Thefwift motion of the Yet, to remedy that Fault, I i 
' have devifed a Ke/^o in which I find no fmall advantage, and not a J 
little pleafing thofe perfons who have feen it;, being lo eafie to be \ 
made, and by the Omerver manag'd without the help of another t 
Which fecond Conven ence, my yet namelefs Inftrument hath in j 
great perfei51:ion,andis,byrea{bn of its (malnefs and fhape, eafily ;^ 
appliable to any Telefcope.^ Sir, If you think this Invention,.. .8 
5* Care is taken, to thus improv'd , worihy to be taken notice of by ; 
^et both this De- the Curious , you may ^ command a more perfed : i 
oJrS^f Defcription of it, or any of the Obfervations^either ■ 
from M. rwn//; M. Gafcoignc^ or my felf have made with it^. J 
