c (5oS ) 
fervhg (mail /Angles in the Heavens ; nor want the Ufe of 
your other Device of a.Glafs in a Cane upon the movealle 
Kuler of pur Sextant (as I rememher) for helping to the 
ex&6t Point of the Suns Rays. But feeing Urania //, ike. 
Thus was the mofl: ingenious Mr. Crabtrie tranfpoit- 
ed with Mr. Gafeoigne’s Devices, although at that rime 
far iefs perfed than they were in a ftrort Time after. 
And no lefs affeded was the incomparable Horrox, as 
Mr. Crabtrie fets forth, in his third long Letter of Dec. 
a8, 1640. which hath thefe iVords, My Friend Mr.Yioc- 
rox prfejjeth, that little Touch which I gave him of your 
Inventions, hath ravijhed his Mind ejuite from it felf, and 
left him in an Extafie between Admiration and Amazement, 
1 befeech you, Sir, flack not your Intentions for the perfelf ing 
of your begun Wonders* We travel with Defire till rre hear 
of your full Delivery. Tou have our Votes, our Hearts, and 
our Hands fhonld not be wanting, if we could further you. 
And then after many curious Matters f which would 
take up too much of the Societies time to relate^ he 
thus proceeds, Diagrams for Perfpe6Hves 1 have view- 
ed again and again, and cannot fufjciently admire your inde- 
fatigable induflry, and profoursd Ingenuity therein. I arr» 
much afelied with the Symbolical Exprefftons of your De- 
monflrations* I never ufed them before (but I will do) yet 
I underfiand them all at the firfi Sight, and fee well the 
Truth of your Demonf rations. 
To thefe I fliall only add one Paflage more, and this 
becaufe it fhews feme ocher of Mr. Oafeoigne’^s exqui- 
iite Contrivances, or at lead the Accuracy of what are 
mentioned ; and chat is in Mr. Crabtrie’s Letter of Dec: 
6. 1641. arthe Beginning of which he faith. That which 
you give me a full FrojeBion of was above my Hope : 
and if the Screws keep an exalt Equality of Motion forward 
in each Revolve, it is a mofl admirable Invention’, and 
with the ether Accommodations, I had almoft [aid without 
Com- 
