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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
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Buc ehis Open Tube conld nor be caliled) piercins that al(o, marches donn Farrter be-
ic wvii noc a  a   actas
Eiveen it and the Inner Coac ot the Gut, For
about halt an Tuch, and ac last opens wvich 
round Nouch inco che Incettine: So chac chis
Oblique Infertion (like chat ot che Vrerers into
the Vrinaer Bladder) serres instead oF a Valve.
eo hinder auy ching from Regurgitaring out ob
the Gues into ehis Duct: And chisis Farrher pre-
vented allo by che Ragor, loole Constiturion ot
and (o by is ereat Weiphr endanser che breakins chie Inner Tuniek oF che Curs; wtrich, whem
OF thC LHBC
any chins vould enter che Mourh ot the Porus.
claps close upon ic, and Aops it. There are no
Anastomoses Berween che Roors oC chis Duet and
chose oF the Porta; as hath been otren Paid: FOr
the Exereme Capillary Fwigs OE thC POrUS TeE.
minate in the Parenchrma of the Liver, ouc ot
Whose Glandules cher imbibe che Choler, chere
seperated trom the Blo0d.
POSITION, or Site, is an Arection ot
Place, aud expresses che Manner oF any Bodics
beins in a Place: This theretore is nOc Place
nor indecd tach ic any Ouantier; 25 NIF. Nem-
con ell oblerres, Princip. Mathem. D. 6.
POSITIOH, Or che Rule os Position, ocher
wise called the Rule of Falstood, i5 a Rule in
Arictimerick, Wheren ans Number is taten 10
voris ehie Ouestion br, instead ot ihre Number
SonghE; arid (0 by che trror or Frrors tound,
ve sind the Numbet required.
This Rule of False Position is oF Tvo kinds;
viz. Sinsle ane Double.
POSTETON Sinele, is when there happens in
che Proposition some Partirion of Numbers into
Pares Proporrional; and then ac one Operarion
che Ouection may he resolred, by chis Rule.
Tmaxine a Number at pleature, and worke
cherevich accordina ro the Tenox ot the Oue
Aion, as if it vere the rrue Numbex; and wwtat
Proxorrion chere is berveen che Falle Conclu
sion aud ehe False Position, such Proporiion hach
the Ciren Number eo che Number Coughe:
Theresore che NTumber Found by Argumenta-
tion Malt be che Arst Perm ot che Rule of Threc
and che Number supposed Mail be the second
Term, and the Ciren Number Mail bc ho
hird Term.
Fxample.
Chrec Nen, A. B. and C. consent ro buy 
Strip FOr 220l. S0 chat B. must pay rvice 25
much as A. and C. Four rimes as much a5 B
tTow muck must each Man PaY 3
abont vich (0 much Lale alte Balet) as those
Porrable Barometers Which are non l Ose, and
rtrich are made by MF. Foon LMrck, Lbtlcel
lian Operacet i the Old Baily, Wich Very sreac
Fixactnels and Nearnels: Por in these chere is
an Invention ro screur up che Mercurr quite up
ro rhe Scaled end ot rhe Tube, by ertich means
PORTCOTLTCE, Herse, OP Sarazine, In FOE-
tificarion, hgnitie sereral Breac Pieces oF NV00d
Paid Ox JOtMeu aCrOIS OnC aNOLHEL HIKC al LSaL
rour, and al che Boirom it is poinced at the end
ot each bar wich Lron. Thele Formerty uscd to
hans orer iIC Vare ars of Forrihied Places, 10
be ready l let donn in Case oF a Surprize,
atien che Llenly Mhould come lo lobn as chac
there is not Lase to Murup theCals. Duc O
ada)s the Orus are more generals uled, as bc-
ins toune ro be much better. Sec Orgues.
PORTICO, Or Porch, in Archirecture, i5.
Jone Place corer d cither wich a Vautred R0Ol,
or au eren Floor, supporred by Pillars. Bui
ehis W ord may be applied eo signitie all manner
oE Disposition oE Columns in a G allery.
PORTIOHER, wtere a Parsonage is served
Lometimes by tvo, or lometimes by chrec MI
isters alternatelr. Jhe Ministers are called Por-
tioners, becaule cher have buc cheir Portion or
Proportion oF Tyches or Prosits of the Liring.
EORTMOTE, sienities a Coure Kept in Lla
ven Lolrns, as smainemote in the Forett, and is
calleathe Porrmote Court
POROS Bilarius, Or Meatus Fepations, IS 
Pipe or Channel Pastins directly From che Li-
ver rche Ductus Communis, and wtrich erans-
is cu Bile Cromche Lirer by che Incerrencion
ot lome (mall Clandules. Wichinche Lirer, ies
Frunkc and Branches are inrested wich a dorble
Coac: A Proper one, wtich it retains also with-
out the Lirer; and anocher Common to ic and
ehe Porta, called C’apsula Communis, Which ic
hachtrom che Membrane. oF the Liver. In this
Common Coac, this Porus and the Porta are (0
closely enwrapped, that at First ther appear buc
one Vessel; buc if vou hold ehem up to che
Lighe, rou ill dilcorer Vessels. OF tvo Colouis;
and then rou may dexterousty rip up the Capsula,
and (0 lay them open. Ies Roors wichinche Li
ver are equallr divided wich those of the Porta
ever vrhere, excepr in char lictle Space irhere
che Roors ot the Vesica are spread in the Righe
side oF the Liver; and ther are boch larger and
more numerous than those ot the Vesiea, drav-
ins Choler from all Parrs ot the Liver almost.
And this Porus Bilarius seems e0 bc a more ne-
cessaty Parr chan che CalI- Bladder, Or Vesica;
Becaus: in many Crearures, 25 Red and Fallor
Deer, FTorles, (90. the Vessea is Wantins, buc
again as the Meatus Cysticus, wich ertrich ic joins
The Porus hath no Valre in ies whole Proprels;
Only the Ductus Communis, ac its Fnrrance into
the Incestines, having pierced che Outer Coat,
palles bermeen rhat and che Midalemolt Coat,
Eor aboue rhe 22Ch part OF ar Lct ;  
Ansiver. Suppole . Paid 8l. then (accordine
ro the Ouestion) B. must par 16l. and C. tour
times Lo much, 1. c. 64 l. Buc al chese Number
added rogerher, makre no more chan 88l. Wvtere.
Number, LCaY, IF 88L. come oF 8I. oF Wwhat
C. 160: vtrich added rosethes, sire 230 l. rhe.
Nuriber proxoundedi
none wane chis. Wichour cheLirer, ris as wide as there Mould be 2201. Y et by che help oF chie
de ruoo Tnches Distance From the Liver; and (0  comes 220l. Wrhere, in the Nork is gain d 20B
boch make up che Ductus Choledochus Communis. For the PArF OF A. Then B. must pay 40l. anc
Positi