Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. -
Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German. Mean line confidence on this page: 0.87.
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The machine reads it as
- (the part abddes Suis LLD) bears the same
- Proportion to the Gravity of as much Air équal to
- it in Bulk:: asthe Weieht os a Ouantiry of Mer-
- cury equal in Bulke i ese part immersed; bears 10
- the Weicht of the immersed part of ihe Tube toge
- ther with the Mercury included C Lo
- For elie Air upon che ourside D, oE che FOp OF
- ihe Tube DC; is very nearty equaleo che Presure
- ot che Air upon the octier Pares ot che Surtace oF
- the MercurY A B; bur chis Presture upon the POP
- ot the Tube, beins added eo etie Pressure OF che
- included Mercurr, rogerher wich etie Weighe ot
- he Tube, Will make the Presture upon C, inore
- chan double ro che Pressure uxon any ocher Pari
- beins ehc effect oF a double Column oF Air oF etie
- e.
- 25 is equal es etie Exeess of che Pressure upon etié
- orhet Paiis abore chac upon C; FoF etié Force up.
- ards in C can suctain Pomueh MerCUry, aSIS COn-
- rairied in a Tube, Wvhose Alticude is C Y: There:
- Fore il chie Alcicude C D be lesorhen C, I; tis plain
- che Pressure uiprards at C, Wvill be able to buor
- up 25 muchniore weiphr chen D C, 25 D C Wanes
- oFCI; char is, so much weistir mar becaken
- ouc oE chic Senle P, 20brins il c0 2n L. quilitrium.
- For, ehie Pressure ol the Tneumbene Rir upon che
- Pares of the Surtace AB, Surroundins C, IS SuNI
- ciene to sustain, cither a Column OF RIF OE an equal
- Alricude, or a Column oF Mercury oF an equat
- veishe wich che former; or a mixe Column inade
- up oF em borh, wrtich docs noc exceed the Gra.
- virs ot orie oEcheni, bur cannor fustain chem borti
- cogecher, or any chins more chian Wrtrar is egual to
- Me Crariey ol orie.
- Scppose the pari C oF thie Surtace ot ehie Nereii-
- ex AB, (FIs. 12.) exposed co che open Nir, etien
- chere wvil be sustained a Column of che incuisibete
- Ait, equal co ivtratis suctained by everr ortier equal
- Part oF che Surtace, but neither MCrCUEY, nOr any
- chins elle more Incensirely or Specitically heavier
- chan Ric, LOF chac oud destros rhe siquilibrium,
- By Prop. 1.
- 2. IF, 25 in the Torricellian Lxperimene, etricti
- suppose made, che Pressure or the incumbene AiF
- be kepetrom actins upon C by I, the Top oF che
- Tube CI, Ox any hou else, the Pressure at C up
- wards will chen suctain a Columnof Mercurr equa
- in Glariry eo a Column of Ait uxon che Pame Base.
- but ic ean sustain nochine else; (o chac elie Tube
- wich che incumbene Coluinn of Air upon the TOp
- oF ic, must be sustained some orher Way, cither by
- cheFland, or by an equal Weiphe in che oppol
- Scale, (361
- 3. IE elie Pressure ot the incumbene Rir Be Kepe
- OH, onts in pare; chac is, it chie Pondus in the
- Scale P, be lels chen che Graviry oF che Rir restine
- uxon che Top oF che Tube, and che Tube ic selF.
- then C will Fuctain a Misr Columm, (1. c.) Parcls
- DF RIT, parE DF MerCUIEY: Atid che Onantiry OF RIC
- sustained by C, is equal co che excelo ot ché
- eveigHt oF che incumbene Rir and Tube abore che
- Pondus P. Aiid etie Mercury ivictrin che Tube
- wanes just so much of che Weisht oF etle Mereury
- in che last Ca(c, a5 chat exCelS aIOUHES EO.
- 4. IEctic Pondus in the Scale P, De preater thati
- the Weiphe oF an incumbene Colutn uxon etie
- Top oF the Tube, cosecher ivith che Tube ir selF.
- etien ie ivill elerare the Tube out oE the Mer
- cury.
- This Mactet Wvill Aill be more elear biy etic. Fol
- loins Instances.
- the Mercury in ebe Tabe C D (Sec Fiz. G.) bc
- kept suspended at the alritude C T, yet is the Ae
- presate os the Tube and Mercury be lest 1o it sels
- 10 descena frecly; it ne sina luo the scaenant
- Mercurs s0 far, ti the Grady of DI or DC.
- Dianterer ot the Lube, and ee Weighe oF chac
- Tube; and consequener, it ihc WVeighe ot ehie
- Tube and Incumbene Rir, bC Hor sustained ocher
- ivaYS, (by Cor. 3. Prop. 1.) InC Lube will subside
- Totat, eill che Parr abore che Surtace bears che
- lame Proporrion t0 as much Air equal roir in BuIK
- as d Ouancier oF Nercurr equal it Bulk to che
- Parl immersed, bears co ille immersed PaF
- COROLLARY L
- TE Mhe Fube D LBC Kept saspended vich ils end
- C just under che Surtacé ot the Mercurr; the
- is equal coml Crariey oF a Column oF RIr, insist
- ins upon the Top oEche Lube DL, coscctet wictu
- the excels of che Grarirs ot che Lube, above a1
- equal Porrion ot Air; oi ivhich is nears ene latme
- chirs equal eo the Weishe oF che includea Metci
- COROLLARY II.
- Buc is D C, ihie Altitude oF ehe inverred Tube
- be lels then C P (vhere ThC MTUrCUEY, a5 in Z
- common Baroineter, won d Rtand, evere ir noc hin
- dered) and consequentY, it che RIr press mOre ux
- on cheocher Parrs chan the MercuEY DC docsup.
- on C; then wvill so much of che veishr ot ché Tube
- anid Mercuer be abaced, or so much Weiehe ma
- weishe of, or rendener of che Tube doinnivards;
- ey D C, rogerter che Coretrientionec P. XCets.
- be suxpoled ro be caten our or che Scale P, (F15. 1:
- indiriiiiiii
- uoae (213. La Clut Palt et ee dullace
- AB, upon which the Tube insilts, c0 be (0 larse
- 25 chac, beins exposed ro rheopen dir, ic can lu
- Iam a Colu et alt et 10 Ounces: Then il che
- Forricellian Experimene bemade, and C be detend.
- ed trom che Graricarion ot che Air upon ic, them
- ill in ies room be suspende a Columin oF Mercu
- eY, or any ocher Fluid, irhich does nor exceed 10
- Ounces.
- Let us imagine che WeipheoF che Tube ro be
- cuo curces; alen vil ie l eiebe dt 1 L do
- 1dcd
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/806933011:0419?run=74