Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. -
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- In. Philos. Frans. LV. 1G3, Lapc. ) AGS1
- lorvine Hypochesis, acconnens For chis ariat
- and solvins all iis Phenomena s, trich is chus.
- Fereckors the external ParS oF the Globe 2S
- the Shell, and the Incernal ad a Nuclens, Or initier
- Globe included ichin ours, wvichi a Auid Medium
- betveen, wrhich tavins che lame common Cente
- and Aris oE Diurnal Rorarions max curn about
- virh oue Farch each 24. FTours; onl ehis outer
- Sphere havins is curbinarins Morion, some Mmali
- marrer cicher Cvister or Porver than che inTerHA
- Ball. And a very minure difterence in lensch ot
- rime by mans repetirions, becomes sensible; che
- Incerrial Pares will by degrees recede trom che LX
- ternal 3 and, not kcexins pace wich. one anocher,
- Will appear oradualle co more, cicher Pastwardo
- Westuard, By eie difference ot their MOrionS.
- Ptow supposins such an internal Sphete havine
- Such a Morion, che evo great Dissiculties in the
- Former FIrpochesis, is casitr solved: For it this ex
- teriox Stell oP Farth be a Magner, having ils Poies
- ac a distance From che Poles oF Diurnal Roration.
- and il the internal Nucleus be libevise a Masnet.
- travins its Poles in trro ortet places distane also
- trom che AXis; and chese latrer, by a gractual anc
- Po Morion chanse their Place in respect of che
- External: Wemay chen sire a reasonable accour
- of the four Magnetical Poles aforemention d, 25
- lilerrise ot tho Changes ot che Necdles Varia
- Eions.
- Lhe, Leriod, oEchis, Mocm Deins mondertu
- sreat, and cherebeins hardly an hundred rear
- since thele Variarions have been duly obterred, 1
- will berery hard eo brirs chis Hyporhesis 10 2 C al
- culus, especiallr since, tho ehe Variarions do in-
- creale and decreale regularty in che Pame Place
- Vec in differins Places, at no grear distance, there
- are tound such casval Changes chereot, a5 can nO
- vars be accounced for by a regular Hypochelis, 2
- dependins upon the unequal ana irregular di ribu
- cion ofrhe Magnerical Macrer wirhin che Substane.
- of ihe exterrial Shell or Coac oF ihe Parch, Whict
- desect che Necole trom che Posirion ic would ac.
- quire trom che efsect oE che general. Magneritm o
- Ehre Wvhole.
- Particularty in chat rast Mer det Zur, Wohich oc
- capies (o siene a pare ot ihe Wohose Surtace of. pe
- EarFH.
- CHEFHCH LEHO OF tHe Poles De Fix d, and Ewc
- Moreable, ic remains to ascerraiti, which chey at
- thac keep cheir Place. And ic evere 10 be wistic
- ve had che Experience oE anocher Cencury oh
- Vears 10 found out Concusions upon: Vex He
- chinkes ic max be lately determind, Thac OUF Lu
- ropean North Pole (Which is suppoled ro be near che
- Meridian ot che Lands. find ot fingland, and aboui
- 7 De. Theretrom) is That chac is Moreable ofche
- ivo Norchern POles, and ThaL chachas chieAv in
- Euencedche Vatiarions in chese Parts ofthe W orid:
- For in Fudson s. Bay, Wwhichis under the Directior
- OF the American Pole, the Chanse is noc observed
- to benear (0 falt, 25 in chiele Parrs, oF Furopo, 1h0
- chac Pole be much fariher remored trom chie
- ArIS.
- AS c0 the South Poles, he rakes che Asian Pole
- erhich he places abour che Meridian of ihe IMand
- Celebes ro Derhe Fix d, and consequeney che Ame
- rican Pole ro More, From the lilce Obserration ot
- che NoW decrease ol the Variarion on che Coact ot
- Fava, and near che Meridian OF che Aan Pole ; tho
- he omns ro have no accoune ot the LiHects oF che
- orter berond MasellanS StraisHEs.
- This beins eranced, ris plain, Thac che Fix d
- Voles, are che Poles oF ihis externa l ChellOF COrreK
- otthe Farch; and che ocher rvo, the Poles ot che
- Magnerical Nucleus, included and moreable wichin
- ehe orher. Ic likcerise follons, chac chis Mocionis
- Westirards; avd, by consequence, Thac cheatore
- Caid Nucleus has not precisely attain d che lame de
- eree oF Velocier wich che exterior Parrs in cheir
- diurnial Rerolurion; buc (o verr nearly, equals it
- chac in 365 Rerolres, che diterence is, (carce ser
- SiblC.
- This is supposed to avise siom ihe impulle
- Wvhereby chis diurnal Mocion as imprels d on the
- Farth, beins siren co che external Parrs, and from
- chence, in time, commuicaced co che Incernal; bur
- nor (0, a5 pertectly r0 equal che Velocirr of, the
- Arst Mocion impressd on, and Aill conserred bs
- che Supersicial pares of che ClObe.
- As coche Ouamitr oF chis Morion, it is impossi
- ble ro desine ic, boch trom che nature oF chis kinc
- ot Obserration, Wrtich cannor be verr accurarely
- performd; 25 2l0, From che lmall Fime chele Va
- riations hare been obserred, and cheir Chanse dil-
- corerd. Ic appears by all Circumttances, Thacits
- Period is oFmany Centuries oF PearS, and aS FaF aS
- may be collected trom the chanse ot che Place
- erhiere chere was no Variacion by reason of thc
- rgnilibrium ot the evo Souchern Magnetical loles
- viz. From Cape d’Agulhas, 10 the Meridian oF SF.
- TTelena, (Wvhich is about 23 de8. in abouc90 Y ears)
- and ot che place where che Westerir Variarion is
- in ies prearest Derection, beins about tale somuch
- viz. From cheiDe oF Dieso Roiz, 1o che Southest
- ParIS OE Madasascar; Wve may wirh some realon
- conjecture, Thâc che American Pole has moved
- WVestvara 46 degr. in hac Fime, and thacoche
- Whole Period chereot is pertorm d in 700 Y Cars, Or
- chereabours: S0 char, che nice determination oF
- this, ard of several ocher Parriculars in the Mag-
- nerick Syctem, is reserred for Pocterier; abl chat
- e can hove to do, is to learebehind us Obserra-
- tions phac may be consided in, and co provose HV
- pocheses etich alter Ases max Examine, Amend.
- ulent
- Otrhis, the Variarions ac London ade Laris BI
- a notabse MMcanice; 1Ot MLecur Has Me COI
- Atanely abour L: more Fasteriy ac Paris than ac
- London: Lho ie be cecan ual accorns loe
- General PRect, che difference ouxhero bethe con-
- trary as hotwichstandins We ue. ralla
- tiens in bol Places do chanse alike.
- Flence, and From lome ocher chinss ot litce nature
- it seems plans, etiar che ervo Poles of che externat
- Clobe are lix d in che Farch, and thac if cheNccale
- ivere ertrolls sorerned by chem, che Variations
- thereot rould be alvars the same, wich (ome sI.
- regularicies upon the acconne bur just LOW MMI
- riorid. Buc the incernal Sphere havins such a gra-
- dual Franslation oF ils Poles, does intluence che
- Nccdle, and direct it rariousY, accordins to che
- resule ot che accractire on directtire Pover ot cach
- Poles and consequeney, chere must be a Period ot
- the Rerolution oE chis internal BaII; atrer whieh,
- the Variarions ill recurn again, 25 before. BuF
- il ic Mall in future Ages be obserred ocherosile,
- e must then conclude, chrar there are more 0t
- chese internal Spheres, and more maenecieat Les
- than Four, vtrich, cac prelenr, ve hare au
- e non vrial cuautiet aes aeeirtite dus
Cite
Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. - . Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/806933011:0878?run=74