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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 806933011:0109
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2. A lecond Cause is the uncertain extalation) an, on chis Gidethe 3STh degree OF North. Laticude
and Precipicarion of Vapours, lodging in che AIc,
che Westerly and Soutis mesterly Winds blon alinoc
Whereby ic comes to be ac one cime much more alwazs. Trade; (o char whenerer here rhe Winc
erouded chan ac anorher, and conlequenely hea- comes up ac Fast and North-Fast, eis Cure rO bC
vier; bur chole larrer in a grear meature depend checkd by a contrary Calc, as loon as ic reaches
uxon the former. Now from chese Principles, he che Ocean; Wheretore accordins co wtar is made
explicates che several Phaenomena oF che Baro- our in the Second Remark, the sir must necds be
meter.
heaped over ehis istand; and consequencty che
P. Urhy in Calm WNeacher, che Air beine inelined Mercury must Mand hish, 25 osien 25 ihese Winds
Eo Fam, the Mercury is commonty lom:
blon. This holds eruc in ehis Counery, bur is nor
Thac ihe Mercurys being lo, is an Indication a general Rule Por orhers; wvhere che Winds arc
OF Rain, becaule the sir beine lighe, che Vapours under disserent Circumtances; and he hinselt
are no longer supporced chereby, as beins become
specitically heavier chan che Medium Wvherein chey
Aeaced; lo chac chey descend rowards che Parrh,
and in cheir Fall meetins wich ocher Agueous Par.
ricles, chey incorporare cogecher, and torm sitile
drops oE Rain; bue che Mercury S beinS AE On
cime lover chan at anocher, is the ettect ot LWO
concrary Winds bloming trom che place Wwhere che
Baromoter Rands; Whereby che sir ot char place
is carried boch rass trom ic, and consequenily
ehe Incumbene Cylinder oF Air is diminithed, and
hach Comerimes seen che Mercury here a5 low 25 2c
Prches upon an Casterty Wind, bur. rhen ic blew ex
ceeding hard, and (0 comres to Be accounred FOr
by whac mas oblerred uxon the chird Remark.
5. WB. in calm frosty Weather ehe Mercury
Generally stands high:
The cause thereot is, ThaE it seldom FreezeS
buc wvhen che W inds come ouc ot che Northern and
North. Fastern Ouarrers, OF at least, untess chose
Winds blow ac no Great distance oH, For the Nor.
thern Parrs oFGermanr, Denmarke. Siveden, Normay
accordinsly che Mercury sirLS; a5 For instance, it and all Thac tract (tom whence North-F asterr
in the erman Scean ie Moula blo 2 6alC ol
Westerly Wind, and ac rhe same rime an Pasterty
Wind in the MB Sea; Or it in France it Moald blow
2 Southeris Wind, and in Scocland a Northern, i
must bC Stanced me, chac chac parr ot che Atmo-
spdere svendane over England, vould chereby
be exhauea and artenuated, and che Mercurs
vould lubu, altet the Vapours Wilch betore
Roared in thole parrs ot che sir of equal Graviry
ich checcletres, vould sink eo che Larcti.
2. WVoy, in serene, 500d, serrled Weather the Me-
cury Is generallo bigh: Thac che preater heiphe bt
the Barometer, is occationed by rvo contrary
Wrinds blowine comards che Place ot Observacion
Winds coine, are luibject co almost continuat
Frolt alI che Wincer; and chereby che lover sir
s
is very much condensed, and in rhac Hace ic
brouxhe hirherwards by chose Winds, and beine
accumulared by che Opposition oF che Westert
Wind blowins in che Ocean, che Mercury muR
necds be prest to a morethan ordinary heiphe, and
25 a concurrine cause; the Mrinking oF the lover
Parrs ot the sir inco lesser room by cold, must
needs cause a delcent ol the upper Parrs ot rhe A1.
mosphere, ro reduce the Cariry made by chis Con-
traction eo an Equilibrium.
6. Troy, ascer very ereat Storins of Wind, when
the Nercury has been very lom, Et generally rises a-
whereby che sir oE ocher Places is brouglit chicher, sain very fast
and accumutaced; lo chac che Incumbent CfIn
This he cells vou, he has frequeney obserred
der oF dir being encreased borh in Fleighe and and once found ir rilen an Inch and a halF in lese
Weiehe, The Mercury prested chereby, mute Mells
rise and ltand high; 25 lons as the Wines conti-
nue s0 loblo; and chen che sir beins lpcenical-
chaM SiX LIOUES, after a lone continced Storm ot
Souch: WVest Wind. This scemsro be occasioned by
che ludden accestion ot nem sir to supply the great
Iy hearier, che Vapours are berrer kepe sulpend- Fracnarion erhich Tuch concinued Scorms make
ed, (o char chey hare no Inclination ro precipirare, chereot in chole places wrhere cher happen, and b
che Recoil ot the sir, atter the lorce ceales char
impelled ic; and che realon why rhe Mercury riles
(0 fast, is, becaule the sir beins very much ra
risied berond irs mean Densry, che neighbourins
sir runs in the more (witely eo bring it t0 an C
quilibrium; a5 We lec Wacer runs che faster For
havins a prear Decliviry
9. WBy. in more Norcherly Places the Variations
of the Baromerex are creater than in more Sou-
cherly:
The Fruch oF ehe matter OE fact is proved Frorr
Observacions made ar Clermont and Paris, compa
nOt come in (0 Fast 25 t0 supply che Fracuarion red wich ochers made ac Scockholm, as may be lcer
necessarily De acrennared when and where the Paid libre des Liguers. The Reason seems 10 be, that etie
miore Northersy Parrs have ulually greater Scorms oE
ehe Northerty Winds brins che Condensed and
Pole, and char again beins check d Hy a Southert
ind, ac no ereat distance, and lo heaped, mus
ot necessiry make che Mercury in luets ease Aand
histier on the orter extream
8. o neut he Egunoetial, as at Barbado
and St. Ielena, ibere is verys little or no Variation
and FalI donn in Drops, wtrich is le realon ofche
serene bd Weacher wwtrict allends rhe Breater
heiehes et che Mercury.
3. WVoy, upon very creat Winds or Storms. soue
accompanied mith no Rain, the Mercury sintes lomest
s auu with relation to ebe Point os ist Coipass upo3
hich the Wind blors.
This is caused by che very rapid Morion oF che
Sirinthele Scorms; For rhe Praet or Region of che
Farchs Surtace wherein chese WindsraGC, HOE CX
cendins all round che Globe; chac Scagnane sir.
wtich is sest behind, as likrewise on che Cdes, Cal-
Winas comtinue eo blo, and that more or lels ac.
25 IC 15, may in all probabilies cake oH lome part
ot the perpendicular Pretture chereot; and che Ponderous sir trom che Neishibourhood ot cho
Brear ABllation oF is Parricles, is che reaton Wohy
the V’apours are distipaced, and do nor condemte
into Drops, 10 as totorm Rain, ocherwise che n2
Cara Consequence ot the sirs Rarefaction.
4. WVoy, caereris paribus; ihe Mercury stand
hishest upon an Casterty or North. F. asterty Wind.
made DV 1 lwite a Currenc, (0 char che sir must in che Appendix 10 Mr. PascalS BOOK. De l’Lqui
cordins co cheir Violence. Add ro itich, chac Wind chan che more Southerly, wtrereby che Mer
ehe FTorizoneal Morion oF. the sir, beins (0 quick curr Mould sink lorver in chac exrream; and chen
Ehis tvorere becauite hac in be Alantiet deea ses ehe tteissties ie aometer