Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. -
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The machine reads it as
- Al(0 an Arch oF 2. Circle vell Gradeared may
- be sered (0 25 chac che Tongue oF the Bale
- all Pay Ereely by ic, and chere Mew hC CHaNSC
- ot rhe Graviey oF che Armosphere, o scheretore in Philos. Transact. N. 185. The Doctoi
- dicion eF any nem Weighes at alI.
- WHIEEL BAROMEIFR, is a Concrirance fol
- caule alto its veri dibieule ro aajuse he Balt atis
- Thread, (9C. aria chac ThC LMLEPUIEnE IS VerY aP
- lobe out of order, (50. Tis non out _t _IC. AHC
- sires us anocher Contrivance (Which lic cale
- chouetir ot in che lcar 1668,) oy puceine Sipiric ot
- Winc, or some ocher Liquor chac vill nor lrceze
- uxon che Nercury s Which evas desipned ro rile n5
- the Mercury FalIS, and Fail as ic rises. And b
- ehis means he could, he Cairh, enlarge the Dirisi
- Oms as iuch as he p’ealed.
- NIALIME BATOMETER, is an InHrUMenE
- concrired by Dr. Hook. For che ule ot those chZC
- vould make a Philolophical Paperimene ac SCi.
- FOr ele Morcuriat Barometer reguirins 2 per
- Dendicular polture, and che Ouick silrer vibracins
- cherelore uncapable ot beine mace ac Sea, (Th0
- Wherein che Policion ot che Instrumene Was nor se
- Ir is abour 40Years since, chac che Thermome-
- oF Wine (ErR brouhe into Fnsland our ot Icaly b
- Sir Roberi Souchmell) 25 a prover Scandard oF etic
- thac Acherial Spirit beins allot the lenovn Liquors
- especially wich a moderare depree ot cirtier LeaF
- Or Cold
- ehe applyins. oF an Index 1o any Common Baroscop
- hecher it CaIS DC O a MSC La, Or have
- round Boll.head ac the cop; ad by che means
- chereot, este variarion of ihe Alciiude Of rhe Mer-
- curial Cylinder, Which ac mostis hardly 3 Inches,
- may de made as distinguistable, 25 it ic everc:
- Foor, or 3 Zards, or as much more as is desired.
- Fhis WVheel-Parometer was invenced by Dr. 1500le
- he Manner Whereot is visible in che Figure
- where L C reprelents che Lube, e sde
- cirher Blunc or vich a Hend, as A B C (by which cherein vich ereat violence uxon any Agication, id
- latrer Shrape, more Room is alioved for auy se
- mainder os Rir, r0 expand the BCHeF.) This is (ic hach larely been concrived ro be made porcable,
- ro be Alled wich Ouick-hlver, aud inverred as com. 10 ic remain d co Aind our some ocher Principle
- monis, and puc inco a Vessel ot Srapnant Mercury
- mace atrer the tachion et PR, chac is, havins ies indispenlably necessary: L’or chis che aborenamed
- Sides abour 3 Or 4 lnches high, and che Cariry otPerson invenred. Is Delcriprion and D ses theIn-
- ic equally bis boch abore and belo; and il ic genious C apr. TFalley in Philos. Trans. PN. 269.
- can De (besides char part, wrhich is Alled by che sires as Tollons
- end oF the Merourial Tube, chac Cands in ic) ot
- equal Capacies rich che hollon of che Cane a. ters of Rohert de Fluctibus depending on che Dila-
- bontB; For chen the Ouiek silver risins as much in ration and Concraction ot included Aix by Hleai
- Chehollon ot B, as ic descends at B, che difference and Cold, hare been diluled, upon discorerr thac
- OErhe Feishr in che Receiver P, will be just halt rhe AirsPretture is unequal; chac lnequalicy mix
- cheusual difference. And il che Reccirins Vessel ins ic selt wich che Pfects ot che Warmeh of che
- X have a bisper Cariir, the difference vill Be Rir in thac Instrumenr; and instead thereot wac
- sels; bur it sels, the difference will be grearer: substiture d che sealed Thermometer including Spirir
- Buc, Whecher the difference be made hereby bi8.
- per or lels, ris no greac marcer, since by the con-
- crivance of che Wtheel and Index, che least Variari- Temper ot che Rir in Relarion eo Hearand Cold
- on may be made as lensible as is desired, by dimi
- nistins chebignels of the Cylinder F, and sensch- che most suscepeible oF Dilaracion and Conrractior
- ening che Index FG, accotums to rhe Proporrie
- requitire.
- Nom chis beins allo das a Scandard, and che
- Thermometer thar includes the Air being pradua-
- ced vich ehe Came Divisiens, 10 as ac ehe rime
- When the Air vas ineluded eo agree wich the Spi-
- rit-Thermometer in aIl degrees ot Ilear and Cold.
- noceing ac che Came rime che precile heighe ot rhe
- Mercurys in che commion Baromerers; ic Will rea
- dily be understood, rhac Wwheresoever chese enc
- Thermometers Mall agrec, che Prelture ol IIC B
- is the lame ic Was, irtien the Air vas includea anc
- che Instrumene graduaced, cal sI n the Air
- Thermometer che Liguor
- on the Spirit Ca(s, IL 13
- Wten the Instrumene Was graduared. And or
- the contrary, it is 10b
- the Air is (0 much ligtirer, and che Ouick-silve
- d hipher chan rhe Di
- vitions martced thereon, correspondine wirh chas
- n Indication chac chere:
- Grearer Pressure ot che Air ar chac citme, rhan
- cluded, wwhen che AIr
- Gla(S Rands lover than che Spirir, viz. thar wwher
- in che ordinary Baromerers lover chan ac che Caid
- cime ot Crlacuacion
- And che SpACCS. anLIVeFINS WO. AB LBCM OF Mer
- cury vill bemore or lels; accor ro che Onan
- cey ot Air lo included, aie sse MaInels ot ch.
- Clato Lave in wohich etie ensuor eles and Falis
- and may be augmented a l
- ander chac ot che Specisk Cravicy ot the Ligior
- any Provorrion
- OF che Thermometer to Mercury, 10 25 t0 hare
- Buc chis WVoec
- ter noc anlverine Fully
- the desgned Exactness, because the Mercury is
- apc ro Rick aboue the sides ot ehe ClalS, and vould
- cold us, Thar che risins et sis Aorec
- eite and tall by Leaps, and all ac once; aud be sarc Neachee glles Poul, aae u sallents peoi
- Foor or more for an Inch oE Mercury, Wrtich is
- anocher prear Convenience
- nehese parrs ofttie Norid, lone Fxperience has
- tt te
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/806933011:0107?run=74