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Mr Aiscough had given

rbefore he sett out

for Cambridge

Sanderson's logick

& told him that

was the first book

his tutor would

read to him, this

rby himself & when

he came to hear

his tutor's lectures

upon it found he

knew more of it

than his tutour,

who finding him

so forward told

him he was going

to read Kepler's

Opticks to some

gentlemen co

come to those

lectures.

r~~boug~~ immediately read

it at home &

when his tutour

~~send~~ gave him notice of the lectures

he told him he

had already read

that book

u

~~at Sturbridge fair ~~ ~~Lighting on~~ ~~he bought~~

~~he bought a~~

Astrology

~~he had ~~ the

ch~~say~~ calls the mother of all Philosophy) – Human nature – p. 112 –curiosity to see what there

was in that science

& read in it till

he came to a

figure of the

heavens

chcould not understand

for want of being

acquainted with

Trigonometry, &

to understand

bought an English

Euclid with

~~the~~ an Index of all the

problems at the end

of it & only turned

to two or three

chnecessary for his

purpose &

~~only~~ read

them finding them

so easy

he wondered any

body would be

at the pains

of writing a

demonstration

of them &

~~at ~~ laid that time

Euclid aside as

a trifling book,

& was soon convinced

of the vanity &

emptiness of the

pretended science

About Midsummer

Oughtred's Clavis

ch

uhe having some

difficulties about

what the author

calls

et tertij gradus

relating to the

solution of Qua

dratick cubic

Æquations – *

Oughtred's Clavis appears

by the following memorandum

found among his papers

~~sig writt~~ in his own writing

Mr Oughtred's Clavis being one of the best as well as

one of the first Essays for reviving the Art of

Geometrical Resolution

& Composition – I agree

with the Oxford professors

that a correct edition

thereof to make it more

usefull & bring it into

more hands will be both

for the honour of our

nation & advantage of

He then ~~& in~~ as he washand Des-Cartes's

Geometry (that

book

chin his Epistles

~~says is~~ with a sort of defiance

says is so difficult

to understand)

crabbed studies

high spirited horse who

must be first broke in plowed

grounds & the roughest &

steepest ways or could

otherwise be kept within

When he had ~~got over~~ two or three pages

no farther he

gan again &

~~went~~ ~~two or~~ three or four more

till he came to

another difficult

place, & then

began again

& advanced farther

& continued so

doing till he

master of the

whole without

having the least

light or instruction

from any body

but discovered

the errors

~~&~~ the original book

~~is s~~ chstill

~~ex~~ in being & marked in

many places

~~with~~

non est Geom.

~~*~~

~~Like a high mettled horse ~~ learns to be

~~* ~~masthe year 1664 he read

Shooten's miscellanies & Wallis's works & made

large

~~and~~ notes & remarks upon them still

~~extant~~ in being, this was his usual

method in all the books he

read

with the most crabbed

studies like a high

mettled horse

~~his~~ who must be first

~~galloped~~ plowed grounds & the

roughest ways

~~him~~ within

mr Professor Smith told me he

had seen the book

it will be proper

to mark the

& shew they are

Soon after he ~~was ~~ stood to examined

be a Scholar of the

House & D

r Barrow examined him in

Euclid

chso little of that

D

r Barrow conceived a very indifferent

opinion of him

~~& for that time ~~ postponed his being

~~ha~~ ~~giving him that preferment till April 1664~~~~a scholar of the house~~ The

rhim about Descartes's

Geometry not imagining

that any one could be

master of that book

without first reading

Euclid &

rwas too modest to

Upon this rEuclid over again &

began to change his

opinion of him when

he read that Parallello

grams upon the

same base & between

the same parallells

are equal & that

other proposition

that in a right

angled triangle the

square of the Hypo

thonuse is equal

to the squares of the

two other sides *

he

~~consumed himself~~ spoke with regret of his

mistake at the beginning

of his Mathematical

Studies in applying

himself

~~to his Arith~~ meti

~~at the beginning of his Mathematical Studies~~ to the works of Descartes

& other Algebraic writers

before he had considered

the Elements of Euclid

with that attention

chso excellent a writer

deserved – Pemberton

mas~~next~~ r Wallis's Arithmetica

Infinitorum & on the

occasion of a certain

interpolation for the

quadrature of the circle

found that admirable

Theorem for raising

a binomial to a

power given, but

before that time a

little after reading

Des Cartes's Geometry

wrote many things

concerning the

vortices Axes

Diameters of curves

chgaue rise to that

excellent tract de

Curvis secundi

generis

ch

m.what is writt by

M

r Iones, at least must be disposed with

In the winter between the years 1664 & 1665

he found the method of infinite series, &

in su

forced from Cambridge by

the plague computed the

area of the Hyperbola

at Boothby in Lincolnshire

to two & fifty figures

mpocket book in

r

In August 166~~4~~~~4~~

~~1665~~ ra prism at Sturbridge

fair to try some

experiments upon

Descartes's book

of colours

mrtransactions – 1. Vol.

p. 128 – says it was 1666 –

but in the same page he mentions using 2 prisms

chbuy the 2

d till the year following – NB. he does not

name Descartes but calls

his book the celebrated

Phænomena of colours

he came home &

made a

his

darkened the room

&

~~put~~ between

~~at it~~wall he found in

stead of a circle

the light made

~~parallellogram~~

~~with strait sides ~~ &

&c

ch

~~Desca~~ of the falsity of Descartes's

Hypothesis of Colours

his own Theory

~~*~~

udemonstrate it for

want of another

prism for

cha patience much to

be admired in so

new & engaging

a discovery) he

staid till next

Sturbridge Fair

& then proved what

he had before

found out — *

chgave occasion to

inquiries by

chthemselves were

In the year m.he retired

Cambridge on

tof the plague to

his mother

~~at ~~ Boothby in

whilst he was

musing in a

garden it came

that the

gravity (

ch~~brought~~ an apple

tree to the ground)

was not limited to

a certain distance

from the earth but

~~that this power~~ must extend much

farther than was

usually thought –

Why not as high

as the Moon said

he to himself & if

so

~~must ~~ be influenced by it

in her orbit, whereupon

he fell a calculating

what would be the

effect of that

~~calculation~~ but

~~tak~~ being absent from books & taking

the co

in use among Geogra

phers & our sea men

before Norwood

earth, that 60 English

miles were contained

in one degree of

latitude

~~on the surface ~~ his of the Earth

computation did

not agree with

his Theory &

inclined him

~~then~~ to

~~think~~ entertain a notion that

together with the

~~force~~ there might be

a mixture of

that force

chthe moon would

have if it was

carried along in

a vortex, but

when the Tract

of Picard of the

measure

came out shewing

that a degree was