(, 6ogi ) 
Compare. But that the Divifiom of a Circle fhould he mea~ - 
fired to Seconds, without the Limh of an Infirument, or* 
that Diflances, Altitudes, Inclinations, and Azimuths Jhould 
he taken all at one Moment, without the Limb of an 
flrument likewife, and each to any required Humhir of Parts \ 
or -that the Diameter of Jupiter fiould he projelied in Juch 
prodigious Me afire s as you [peak of. Sec. were enough to a-* 
mufe and amaze all the Mathematicians in Europe, and- 
may indeed be rather a Suhjdl of Admiration than Belief to 
any that hath not known your former Inventions to exceed 
Vulgar {Ijhad almofi [aid Humane) Ahiliiies- And. for my 
Part, I mujf confejs Modefly fi checks my amhithus Defires, 
that 1 dare [carce hope fich Miracles (hould ever he produced 
in real PraPtke to fich ExaUntfs. Then (to give the 
Society a further Tafte of thofe Letters^ follows an - 
Account of the Agreement of Mr. Horrox's Theory , 
of the Moon with Mr. Gafcoigne’s Obfervations ; and 
alfb very curious Ratiocinations, and a Difquifitiori 
about finding the Parallax of the Sun and Moon, and 
their Diftance from the Earth. In which he. cenfures 
Morinus% Braggs, ^c. and then faith, that no Man that 
hath written of the Diagram [of Hipparchus] underflood 
it fully,- or 'defer ibed it rightly, but only Kepler and our Hor- 
rox5 for whofe immature Death [|which was fuddenly* and 
about the Age of 25.] there is yet fcarce a Day - which / 
pafs without feme Pang of Sorrow. 
Thus, among many, I have related fome of the Paf- 
fages of Mi. Gafeoigne’s and Mr. Crahtrie's Letters rela- 
ting to Telefcopick Sights. From whence it is very ma- 
nifeft, that long before tht French Gentleman’s Claims,, 
our Countryman Mr. Gafeoigne had made ufe of thofe^ 
Sights in his Aftronomical Inftruments; particularly in 
two or more Sorts of Micrometers (as I plainly find) 
and in his ffiadrant and Sextant. And had it pleafed 
God to have given him a longer Life, we might have ex-< 
