Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. -
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The machine reads it as
- FOT A is made By che Bulriplication oE b a ire
- Base byche Line be; and B is al(o made bY MuI
- ciplrins cb ies Base by che Came Line b e (Or its
- equal cf.)
- Buc che Product ot any rrvo Numbers Mutcipli
- ed byrhe same Third Number, are as those Num-
- bers vere co each ortier betore Musciplication.
- Theretore,
- 1: B: : ab: bc. D. F. D.
- Fence all Rectansles, Or Parallelozrans, Berweer
- the Came Parallel Lines, or Wwhich tave che same
- Flciehe, must be 10 one anortier as cheir Bales
- arc.
- Forthey are all equalto Rectansles, on che lame
- or equal Bales wich chemselres, and consequeney
- must hare che Came Proporrion t0 each Ochet, 25
- Tuch Rectangles; that is, be to cach ocher a5 cheir
- Bales. 8. F. D.
- And che Came thina must BC ErUC OE all Frian
- Eles chac are becwreen the lame Parallels, or which
- have the Came Feighe; because ther arethe halres
- Ot chole Parallelorrams. Sec che Fisure.
- Suns Piace in the Fctiprick on the Globe, ce che
- Sraduaced Side oF che BraIs Mexidian, 10 eterare
- ihe Pole abore the Florizon, 25 much as is the L a-
- lricude oF thePlace, and co sc che FTour Index exacHy
- corvelre at Noon, scremins alloche Ouadrant ot
- Alticude, (iF there De occalion) 1o che Zenith. AII
- ehiis is comprehended under ihe W ord Rectifi. IhC
- Globe: And wvhen chis is done, che (Celectial)
- Globe representsthe true Potture of chie LlCavens,
- For the NoonOF chac Dar ic is Rectifred FOF.
- RECTIEIEK (in Narisation) is an Instumene
- consistins OF EVO ParES, Which are evo Circles ei-
- cher laid one upon, or lec into the other, and (0
- Fastned rosether in their Centres, That chCy repre-
- sent vo Compasses, one Aixed, the ocher move-
- abse; cach ot them divided in the 32 Points or che
- Compass, and 360 Degrees, and numbred boch
- ars, boch trom che Norrh and the Souch, end
- ins ac the Past and WVest, in 90 Desrees.
- The Fixed Compass reprelenes che Forizon, in
- Wrtichche Norch, and all’ ihe orter Poines of che
- Compass are tixed and immoreable.
- The Moveable Compass reprelems the Mariners
- Compass, in wtich che Norih, and alI che ortex
- Points are liable eo Variarion.
- In the Centre oF the Moveable Compass is Fastned
- 2 Silk Thread, lono enough co reach che ouxlide oE
- the Fixed Compass. Buc it rte Instrumene be made
- ot Wood, chere is an Index instead of che Thread.
- Irs OPeis to find che Variation of the Compass, 10
- Rectisie che Course ac Sea; havins che Amplicude
- Or Azimurh oiven.
- REOTIETINC os Curves, (in Mathema-
- ricks) is eo sind a Arair Line, equalto a Curved
- One; or a Plane equal ro a Curred Surtace.
- OE chis Dr. WVallis sare the Frst FTinE tO the
- Vorid, in his Arichmerick of Intnires, Prop. 38.
- C9 Scholium.
- Soon atrer which NIP. William Neil axplved
- those Considerations to che semi-cubical Paraboloid,
- Where che Cubes ot che Ordinates, are 25 che
- Squares oF the Diameters: And Meved char there
- the nall Segments oF che Curre, cur by ttre Ordi-
- nares at equal Dittances, are as che Ordinates in 2
- Parabola; and cheretore their Squares encreasea
- by Eiquals, in Arichmerical Progrestion: Where-
- Fore chac Curre must be 10 a Righe Linc :: 25
- the Frunk of a Parabola, cothe Parabola: Wrhich
- the Ouadrature oF che Parabola beins known, is a
- RECTANOOLAR, or Rishr ansled is spolen Hnonn Proportion, and chis wvas che tirst ACemPE
- OF a Plain Figure in GComerer, When one Or more oEthis NaturC. Buc ic Was atrerwards (oon de-
- ot irs Angles are ristie. OE Solids, tis spoken in
- respect oFcheir Scituacion: For it cheir AXIS BC per-
- pendicular to che Plane oF the Horizon, ther aic
- cheretore Rectangular, Or Ristr Cones, Cytin-
- ders, (90.
- RECIANEOLAR Section os a Conc, by chis
- the Anciene Ceomerers alvars meane a Parabola,
- Wrhich Conick Section, betore Apollonius, vas onty
- considered in a Cone, whose Section by the AXC
- vould be a Friansle, Righransled ac che Verrex.
- And hence ic Was cha Archimedes entituled his
- BookoFthe Ouadrature of the Parabola, (25 tis no
- called) by che Name oF Rectanguli Coni Sectio.
- RFCTIFTE, OE Rectification, in Chymister, is
- ehc Distillins over asain of any Spiric, in order 10
- a more finc, and pure sare; and Eo separate From
- monstrared also by Sir Christopher Wren, my Lord
- Brouncker, and by Dr. Wallis. And the Year FOI-
- lowins, viz. 1658. Sir Christopher Wren Mered che
- Curre oEche Crcloid, 1o be Onadruple otits Axis:
- Wrhich was the second Demonstration OF a Scrait
- Finc equal ro a Crooked onc. OF which sec
- DE. WVallis S Fnstist AlSebra, P. 292, (9c. Sec more
- also in his Exceltent Book de Crcloide.
- REOTILINEAL, or RighE lined, in Geometry,
- is sposien ot such Figures as hare cheir Exrremities
- aII Righe Lines.
- RECTT Minores, are ENO Cnall Muleles oF thC
- FTead, appearine Boch in BighE ac once: Ther arile
- Aesty FrOm che POsteriOE PAEE OF chC AEA Vertebrae
- OF the NecK; and are C0 inserted to che midale
- Parr ot che O5 Occipiris in ruo Mallon Deprectures
- IE any Fleteroceneons Parrs, chac mighe rile wich ir oF che Caid Bone. Theletrom cheir VCe, may De
- Betore.
- Called Renventes or Nodders backvards, and are
- RFCTIEIE, is a ord uled in che Descriprion Antaconists rorhole we call annuentes.
- and use oF GIobC, or Sphere. FOr The Ars ThinE, REC FO, i5 a WVrit oE RiohE, and is oF s0 hish 2
- to bcdone betore anr Problems can be wroushe on, nature, char wwhercas ocher WVrirs in real Actions
- che Cilobe is 10 Rectisie it. Zhat is, 10 brins che) arc onty corecorer che Posselion Ot Lands or Lene.
- HenIS
- AII Rectangles, (25 A ane B) Wwtilch have che
- Came heishe, arero one dnoiter as cheir Bales.
- TRaLIS,
- A: (B:: ab: bc.
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/806933011:0700?run=74