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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 806933011:0418
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in EF, che Ouickhlret Monid norvictiltaridins Be j Bur hereir oughero Be Considereu, LHAC LII C
Tound ac the same Perpendicular Ileighe as vetore,
since. C L Deino longer chen C I, ris cerrain ehere
Cravicy oF ehie Fluid in the Tube P P, be lessened
in proxorrion co the obliquier ot the Tube, vet au
must be C MCC) Cean  Mal, itet Mene lae time the Pressure uxwards is weakenedo
Pochis L Ansiver:
hindered in che same Proportion, the AngleS R P C
and F P EL beins equal; (0 chat here is a sorr
et compensarion made, and etie lame force wtrich
Kecps ihe Mercury suspended in P HI, will be no
De Fioure oF the Surtace oF che Mereilry in ehe more then susticient eo buoy ux that in F. F, oF an
Base F OF the Tube F G, Wwill become FIiprical,
and consequem enlarsed by his Oblique Posicion
equal Alticude wich etie Former.
AIIO, lince Tubes and Vessels havine the lame
Forcho ir Will be of rhe same Breadeh Aill, ret ic or equal Bales and Alcicudes wich Cylinders and
Will be s0 mueh longer as is che Rario oF che Dia-
Prisms, may norwichltandins, contain more or less
meter L, ro che Diameter C; i. c. a5 is che rrans. Mercury chen chole C fncers and Prilms (a5 is ap
verse Axe oF chac EIliplis ro irs Conjusare.
Bur TMall Demonstrare, That the Diamerer ot
che Bale C, is co che Transverse OF the Base P::
As che Censch oF che Tuhe C I, is rothe Lenech
For luppose PCM rhe Bale oE the crect Cylin-
der CD, urtrich will be a Circle; and NCO che
This.
OF the lube F Fi
lipsi5.
Base oF ic cur Obllesters, uet wilt be an Fit
Parene trom Fis. II.) ic may very realonably De
asted, Why che Nercury Rands at che same heiphe
in aMd viz. Why in the Tube CH, wich a roune
Hlead, che Mercurr Mon d Rand acthe sameheighe
chac ic does in che Crlioder CI, upori che lame or
an equal Based And etiy in the Veset DKB, id
Mond norrise higher rhan it does in F D B F 3
The Reason ot these two Phaenomena, I take l
bechis.
First, Inthe Tube C FI, che Mereury contain d
inche Llead, vichoue che inscribed Tube CP, is
noc supporred by che Base C, bur by etie sides ot
itie Hlead ot che Tube, and consequencly the Prel
sure uxon C, isthe same in boch Tubes C FI, CI.
cheretore che Alinide oF he Mercury in borh ot
em must De CamE.
Secondly, AItho che Vetset DK B, be much
similae: For rhe Anples at C and L are rishe, and  lels rhen che circumscribins one, ver it trill be an ea
che ansle LL
Theretcte
II  LecM each ot chem, Sic macter to acconne for. che Nercurrs risine no
hieher in chac chen in chis; For ac thole parrs ot
the Base, a5 C, Where the Mercury Has a free
alcene, ic arises ro a cerrain decerminate heighe, 25
CL in che Veset DK B; but che a(cent oF the
ot che essel DK and R B, as much as it FDB
(Fis. 9.) LOC che Base P oL Ihe Obque LaBC L C,) Prest uxon ic; cheretore it cannor tise any higher
Then ter he Cylinder C D be rectined into ch.
POSITION P C, IO ThaE N CO may bCCOME NLC
5. C. in an Florizontal Postion; rhe CAHeT L L
Wvill be equal eo an crect Cflinder upon che same
Flliprical Bale L L O, ale DelWeen che lare Pa-
Fallels LLF, NO: From F cheretore let FaHF C,
perpehaular 10 N F O produceu, ase os chis
tricans we all haveche Triansles F P C and PN L
FOFeTREE WIIII L L N makes a RLI∞hE AnslC:
C (1SCI):: NE: L L:
2 NV P: 2. L. L. -. Or a5 the BasC L: 1S W The Ba(C
Mercury 15 Kepr suspendca I L.6, Catt 1 C 13
And now che Reason plainty appears, Wtrmore orher Pats D P and E B, is impeded by che Sides
is as much prearet chan che Bale C oF cheerect chan the Mercury in che circumscribins Vesset
Tube C D:: 25is the L enorh ot cu Loher, chan F DB F.
Buc chen it may De surcher enquired, Wty in
the cvo equal Cstinders P F and PFI, (Fiz. 10.)
chan in che latrer: Since Dr. WN allis has Demon-
Atraced, C ap. 2. Prop. 19. Thac equal Bodies Bra
ricare in Proporrion eo cheir Declivicies; and con-
sequenes ne Graries ol the filuid wichinche lube
E F, beine Wreakend By IHC OOnguIEY Ot the
che Lensch OF chelacrer.
ehe MercurY LOuId noc lIIC Me i che tormer
Tube, ris buereasonable co suxpole, thac the Ner-
Cury Mon d be rais d 1o a sreater heiphe chen ini
etie ereet Tube PII, irhose Postion does noc acali
menhes oe hicgere pee 6 fariaaieua ol ee etuice.