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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 806933011:0877
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ro hare an Fasterly Variation; Wvere irnor thar (by  oE urvo Magnetical Poles oF the lame Nature: AS
approachins che American Northern Pole, Which lies
on the WVest side oF the Meridian, and leems tobe
ot prearer force than chis ocher) the Nccdle is
deawn chereby Westrard, (0 as to counter- bal-
lance iheDirection siren by the Curopean Pole, anc
ro male a (maII WV est Variarion in the Meridian ot
the Lands-end it CelF. Tet abouc the Meridian ot
rheIDe Ferceran ris supposed our nearest Pole may
(0 tar prerail, 25 10 sire the Necale 2 licele turn
roche Cast; cho bur tor à verr lictle space; the
countes ballance of chole trvo Poles permirrins no
considerable Variarion in aIl ehie Fastern part ot
alo hou ic is, chac under rhe Came Meridian, cHC
Variarion Mould be in one place 29 Degrees and a
hale West, and in anorher 20 Desrees and a halt
Fast.
In the Forrid Zone, ard parricularty under che
Equinoctial, respect must be had r0 all Four Poles.
and cheir Positions vell considered, ocherwise ic
Will noc be easie to derermine wrhar Variacions MaII
be; che nearest Pole beins alvars Arongest; yet
noc (0, 25 noc robe conneer. Ballanced lomerimes by
the unired Forces of rvo more remore; as is nored
in che cishch Obserrarion, chac in Pailins tronn
che Attantick Oceans nor upon che WeA CoaA OF Sc. FTelena, by che IAC oF ascension, 1o che lqua-
fineland and Treland, France, Spain, and Barbarr.
Bucto the Westwards oF che Azores, the POrvex OF
the American Pole, overcomine chac oE che Furo-
pean, che Necalehas chiesy respect cherero; and
curns Aill more and more corards ic, 25 YOu 2P-
proachit. WVhence it comes to pals, Thar on the
CoasOE Virginia, Nem Fnsland. Nem found L and
and in FTuasonS. Streiches, the Variarion is West
Wrard; thac ic increases as vou po From thence ro-
vards Furope, and thac ic is lels in Virginia and
Nem Enstand, chan in Nem found Land, and FIud.
sons Streights.
cor, on che Norch. Wes Coursc; che Variarion i
very licrle Fasterty, and in chac wvhole Pract unal
rerable, because char che south American Pole,
(hich is considerably che nearest in the atorelaid
Places) requirins a grear Pasterly Variarion, id
counerpoired by che concrarr Acraction oF che
Norrh American, and che Asian South Pole; cactr
Wrhereot linsly are, in chele Parrs, Wreater chanche
American South Pole; and upon che North- W es
Courle, the Distance trom chis latrer is rerr licele
varied; and a5 rou recede trom the asian Souch
Pole, the Ballance is Aill preserred by accels co-
This Westerly Variation 2gain decreales, 25 vou wards che North american Pole. In chiscale nono-
pals over che Norrh america, and abour che Meri- tice is caten ot chie Furopean North Pole; its Meri
dian ofrhe midale ot California, the Xeedle 2gain dian beins licle remored from those ot chese Pla-
poines due Norch; and from chence Westards t0
redzo and Zapan, ris suppoled the Variarion is Pa
serty; andhalt Sea orer, noc le(S chan LS DesrCCS :
Anid chac chis Bast Variation exrends over Fapan,
redzo, F. ast. Farrary, and parr oF China, till ic mect
with che Westerly, wrhich is sorerndbythe Furo
pean Worch Pole, and which is grearest Comenhere
in Russa.
Lovards che Souch Pole the Ffect is much chC
Came, onythachere the Sourh Point oF the Necdle
is actracted.
Ftence it will Follon, Thac che Variation on che
Const oF Brazil, ac the Rirer oF Plate, and (0 on
co the Screishes oF Macellan, Mould be Pasteriy, il
re suppose a Magnerical Pole sicuared abour 20
Deorees more Westerty chan che Streichis of Ma-
Tellan. And chis Fasterly Variarion dorh exrenc
Fastard over ihe grearest part oE the Ethiopiek
Sca, till ic be counter poir d by che Verrue oF che
Other Souchern Pole; 25 ic is about midmar bc.
uvcen the Cape of 600d Frope, and the IDes OF Fri
stan d Acuntia
Fromthence Fastwards che Asian Sourh Pole be-
cominu preralet atid Llc South Point of the Nec.
ale beins aca WCLCDY, there arises a W est
Variarion very Frear in Ouancier and Extenc, be.
cause oF the srear Distance oF chis Magnerical Pole
ol The WorId.
Flence ILIS, Lhac I all EC Mnaa Sen d5 Far a3
Hollandia Nova, and tarcher, chete ls contancs
West Variarion; and char under the Rquaror it sel,
datedt
ces, and ot ic selF reguiring che Came Variarions ve
here find.
ACter che lame manuer rou may proceed to de
cermine che Variations in orher Places, under and
near che Equator
AUIthis, Seems very much eo contiem the atore
Caid Fsy pothesis, Thatthere are in the F arth four suet
Magnetical Points, or Poles, which occasion the great
Variety, and seemine irregularity, which is observd
in the Variation of the Compass.
Bur eo calculare exactlr wrhar ic is, in any Place
astignd, is noc as rer done, nor is ic determin d in
Whac Proporrion che Auractire Pouer decreales, 25
rou remore trom the Pole ot che Magnet; 25 al(0
the chanse ot che Variarion, and ac Whac rate, is
noc yet pertectlr dilcorered
From che Foresoins Fable, it Mould Peem, chat
all che Magnericat Poles had a Morion Westrard;
bur if ic be s0, tis eridene, Thac ic is nOT a ROTa-
rion abouethe Axis oF che Farrh; For chenche Va
riations would continue che Came, in the lame Pa-
rallet ot Laricude (che L.onsitude only chansed) 25
much as is the Morion of che Magnerical POles:
Bur the contrary is found by Experience; F0r
chere is no irhere in che Laritude ot Sr and
an halE Worch, berween Encland and America
a Variation oF Ir Degrees Fast, at chistime; 25 it
Wras once hereat Fondon. WWheretoreir scems chac
our Furopean Pole is gronn nearer che Pole Articte
than it ivas hererofore; or else thac it has IOA
Parc OF its verrue.
Bur vohether rhese Mapnerick Poles more alro-
Secher wich one Morion, or ich sereral, Wrhether
equallr, or unequallr; Whecher Circular, Or Li
Otatory: IF Circular, abOuE WhaT C enTeF;
Libracory, atcer whasmannex, chinss ret un
Lenown.
ic arises EO HO LB Cat 1B Degrees, Where ris
About che Meridian oF che Istand oE Colebes, bc
ins likemise char of this Pole, this Westerlr Varid
Morccares, ant dut Lalterlr begins, Whle llaches
tothe Micale et ene Souut sed, Occen theMid.
dle oF Zelandia Nova and Cbili, leavins room FOr
Souch Pole.
From all this ir appears, Phal ese Lirection. est
che. Ncccle inthe Lemperare and Frigid Zone, de-
sinall WVest Variation sorerned by che American
pends chiesty upon che Counrerpoise otche L’orees