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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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Erom ibe foresoins Table ris observed, by et
Learned C apt. LLalC).
E. Thar in all Furope, the Variation ac chis cime
is V est, and more in che Pastern Parrs thereot thai
the Welcer, increasins rhac Way.
2. Thac onthe Coast oF America, about Virginia
Nem-Eneland, and Nem found Land, the Variation
is Westerly, increasins all the ar as you 80NOr.
cherly alons che Coast, (0 25 ro be abore 20 DC.
BrCes ac Nem found Land, nearly 30 Degrees ir
FuasonS Streiches, and nor lels chan 57 Degrees in
Bassin S- Bay: and chat as vou Sail Eastard ErOn
ehis Coast, the Variarion diministes.
Whence ic is, Thac somenhere between Furo)
and che North Pare oE America, there must bc a
Fasterty Variarion, or at leastno Variarion.
3. Thac on che Coast oE Brazil, there is Fast
Variarion, increasins as vou 80 to the Souchard
(0 astO bCF2 DegreeS at C ape Frio, and 20 Degrecs
and half over asainst R. Plata; and chence Cailinq
South westerr, ro che Screishus ot Magellan, i
decreales 17 Degrees, and ac che West Pntraric
abouc 14DCGrCeS.
4. Thac at ihe Fastward OF Brasil, ehis FasterI
Variation decreases, (0 a5 ro be rery licele at
St. Fselena and Ascension, and ro be quire sone, anc
the Compals Point rrue about 18 Deprees ol Lon
sicude West trom che Cape ot G00d HopC.
That E0 che Fastward or ihe aloresaid Places
 Wrestward Variarion bexins, and governs in al
the Indian Sea, ariling t0 18 Degrees under The F
quaror, about che Meridian of che Northern pare
ot Madasascar; and 27 Degrees and a half in 38
Degrees South Laricude, near the same Meridian:
Fasterly From chence, the West Variarion decrea-
ses, (025to bc nor much above B Degrces aE C ap.
Comorin, and about 3 Degrees upon the Coast 0
Fava; and about che Molucca istands to be quire
sone; 2s also a lierle ro che WeAvard oE Van Die
mens Land.
6. Thac to che Bastward oE che Moluceas anee
Van Diemens Land, in Souch Larirude, rhere arises
anocher Fasterty Variarion, Wrhich (cems noc se
sreac as che Former, nor ot (0 larse LxtenE; FOr
thac at the Tsand Rorterdam, iE IS sensibly less
chanripon the PaA Coas oF Nem Ouinea; and a1
the rare ic decreales, ic may well be suppoled, thar
abour 20 Degrees Furcher Fastard, Or 225 DC.
Grees FaCtL onsirude Fromi London, in the Laritud
ol 20 Desrees Souch, a Westerly Variarion be
BinS.
Lhac the Variacion caken at Baldivia, and a1
the WVest Fintrance oF the Streighes of Magellan
Mewrs, Thac ihe FaAt Variarion noced in che chird
Oobserration, is decrealins apace; and rhat ic can-
noc well exrend mans Degrées inrothe South Sea,
From the Coast of Peru and Chili, learine room For
a inail Westerly Variacion in thac Tract oF che un-
Hnonn Worid chac lies in the mid-war becween
Chili and Nem Zealand, and berween Hounds istanc
and Peru.
the Course, wherein chere is no Variation, is evi
denly no Meridian, buc racher Norrh. West.
9. Thacthe Fnerance OF FudsonS Screighes, and
che Mouth oF R. Plata, beins neartr under the
Pame Meridian, ac the one Place che Nccdle varies
29 Deorees and a halF W est; at the other 20 DC.
Siees and a hals Fatt.
Magnot, havine four Marnetical Poles, or Points os
aterc
thas inthose Parrs of the Worid which lic near adja-
cent to any one of those Magnetical Poles, the Neeate
is covernd thereby the nearest Pole ben caluss p
dominant over the more remote.
Andhe conjectures, Phac che Pole, Wohichis at
Present nearest co us, lies in or near the Meridian
Ot the Lands-end oF England, and noc abore +DC
Erees trom the Artick Pole; by chis Pole che Vari-
ations in all Furope and Fartary, and che North sea
arc principally soverned; tho with regard ro che
Othet Northern Pole, Wtiose Situation is in the MC-
ridian passins abour the midale ot California, and
abOur 15 Degrées Trom che Norch Pole oF che
Worid; co chis che Needle has chiety respect in
aIl che North America, and in the EWO OCCANS On
cicher side chereot, trom ihe Azores Westwards 10
Fapan, and Farrher.
The cmo Souchern Poles are racher hurther di-
Aanetrom the Sourh Pole oF the WV orId: The one
about r6 Degrees there From, in a Neridian Lome
20 Deer. 10 the Westard oF MagellanS Straichis
Ox 95 Deorces West From London; chis commands
che Necdle in aIl South America, in the Pacifick Sea,
and che greacest part ot the Fthiopick Ocean.
The Fourth and last Pole seems co hare the grea
test Porver, aud largest Dominions oF all, 25 it i5
the most remore from the Pole oEche Worid, beine
licele lels than 20 Degrees distant there trom, in
rhe Meridian wtrich passes chro Nem FTolland andche
pand Celebes about 120 Desrees Fast From Lon-
don; this Pole is predominane in the Souch part ot
africa, in Arabia, and the Red- Sea. in Persia, In-
dia, and is IBands; and all over the indian Sea-
trem the Capeos 600d Frope Fastwards, co themid-
ale ot che grear Souch Sea chac divides Asia from
America.
This Ccems to be the prelene Dilpolition ot the
Magnetical Verrue chroushout che whole Globe ot
ihe Farrh: Ieremains eo sheu hon this LIYPOthe
Eis malres our all the Variations that have been ob-
Cerred ot late; and hor ic ansivers ro che several
Remarts drawn trom che Table.
And APS, IE IS PIaIM, CaC (OUL FuroDean NortB
Pole beins in the MeridianoF che Lands-end OF Ln
lana) all Places more Fastertr chan chat, wili have
ic on the W est side oF their Meridian; and conse-
quener che Necale respectinq ic wich ils NOr
chern Poine, will have a Westerly Variation, Which
Wwill Aill be sreater as vou 50 t0 the Fastvards;
eill vou come to lome Meridian oF Russia, Wtere
Namrius ihe same; so chac in ahis par os ihe Woria
Whence iis concluded,
Yhat ehe whole Clobe os ehe Farch is one creat
8, Thac in Cailing Norrh. W est From S. TTelena,
twill be oreacest, and From thence delleale asaM.
Thus at Brest che Variation beins bur L Degrec anc
Z GuATTeES, AE London a Desrees and a halF; buE
by Ascension, 25 FaF 25 the Fquator, che Variarion at Dantzick, Deorees WVest. T0 che Nestvare
conrinues very mall Lalt, anid 2d X Were, c. t e tetclai t lie Lrao. eha le  a il