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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
# Folio - , page id 806933011:0159
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ihe Vellets beins tet Wd C brenk ihe RecorE (LenBH, or be equal L0 ore anorher. And Hele
and rou will sind, il che Operation succced (wtich Lines are Callea aatus, al vf loC Semi Diame-
nOW and chen ir will nOF) che Cinnabar sublimed ters.
and adtiering r0 che Neck oF che Rerorr. Fis ac-
pholicte Diltenipets. Sole trom lix 1o sixreen cerminared. dc cach end by. Me. Circumserence
CratS
is called rhe Diameter, and irs hale is che semi-
Diameter or Radius.
The Line D P pattinS Chrouxh che Centre, and
connred a Bo0d Medicine for Lixileprick and Ce
CIDe, Columella, Carsareen. Curgulio, Qua-
Voula, Ovisena, Ovirera Lpislotris, Subliuruium
is che Corer ot the Wind-pipe; ic hanes becwix
the. ivo Clandules, called Amyrdalae, above che
stance, as one vould chink, Clandulous, SponBy
atid Rea; Which Columbus is ot Opinion, arile
Chink OF the Largna, and is a procels trom a Sab-
trom cne cunsk et ine Mouch redoubled in thac
Place. Buc Rolan lays, ic proceeds trom Porie
Muscles wtich are rerminaced chere; ic is et
Fixule roundly oblons, in che upper pare chicker
Coldrels ot the Air, and ro hinder che Drink tron
and endins acuress. Us ile is ro atremverare he
Fallins upon che Nostrils: Somerimes chis Dvula
on ic, Witich cannor recurn by che Lymphaticke Ves
sels, wtence proceeds che lallins oE che Voula
Ine Doula i5 moved by civo Pair ot Mulcles,
the ecerieostaphilinus Fxternus, and Internus;
(wtieh lec:) and che former ol thele drans che
vula Backwards and che latrer plucks iE FOr
wards, because ot the Pulsey chrough which irs
Tendon passes and wrhich aets ie Direction ot
Declurition, For the Arricusam e che Voice, a5
r0 rhe NOArilS.
CIRCLE, is a Plane Fipure Bounded vich orie
onty Line, and ro Which all the Riphr Lines chac
ean be dravn trom a Poine in the middle oE ic, equal Parts, which Parrs are called Deprees? ot
are equal ro one anocher. And ic may very well chiese a Semicirole, conrains 180, and a Ouarrer of
De suppoled co be made chus; IF you imagine a Cirole G0, which is called a Puadrant; a5 CY
the Line AB Fascned ac onc end co the Poine A,
bur ver (0 as ro be moreable on 1 a5 a C entre,
rill che end B arrire ac che place where ic bexan;
che Line AB in irs morion describes a Fipure cal.
Jed a Circles and the PoinE B ac the lame rime
Cirele.
and the orhex the Periphery (or a Line equalro it)
Let the Radius be called ?d (suxposine d eo be rhie
Diamerer) and whacerer the untenoun Ratio of
che Periphery be co the Diameter, Tet ic be exprel.
sed byr: Then
vill che Periphery 
conlequent che Pervendiculat a beins mulri-
the Triangle)
From which vay et ocation may ic D p
senely proved, Thac Circtes ale to one another
as the Squares ot their Cameters
Fot lex tho. Diameter OF One CMMH DC a and oE
ies Morion; borh which Morions are necessary tor sand do divide etie Circle inro uo equal ParrS,
Wrtrich are called semioireles.
any pare olche circumterende ol a Cirele 15 Ca1.
These Diameters are all equal eo one anottex
led an Arte, Wtrict Ark IS chie Measure os’any angle
uole vercex or angulas oine lsaline Cene et
chac Circle.
Erery Circle is Tapposed ro be diriceu i1o 300
F0 find the Superficial Content ot any Circle
sec Area and Lolrcon: Whero. che Ciround et cnC
Practice is demonstrared. _Ha MIHCC I LIILC
proved, srom Arohimones, al a Cirele is equal 10 2
Fectanglo Triangle, Oneot whole sides is rtie Ractius
rd; ane
plied by halt che Radius, chac is, by 2d; the Pro-
duet vill be ir d d- Area oFtheCircle, (because 0
the orher D; then cheix sreas will be frdd and
A e bo A b ea et b a 10 ous 100 
ErDD, ihere ir beine a common PHicient OK
Mulciplicaror alcers net l llatio; tor no doubr
Aicks our t00 far, from the Flumours char Fall ux
wtrich ne call R00f of the Mouth. Blanchard.
vell as co hinder any Drink, (30. trom poins in
deleribes à curve L’ine called Me circumsoronee o
Propossitor lo
Lhe Parrs oF any rvo Choras currine eact
Ecora utiea cenestio o ptaiu Ehac alt. piptu orie 1 2. enc. 1 a fea . n
Lines drann scom ehe Poine A, (vhieto is called nal.
Ine Contre) 10 ine eircumserenbe datale bl dt Eesbal)
hac