Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. -
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- Rishe Sine in the Generarine Circle, (as BD, Space APL C Mus d ceual eo chree seni.
- bd) tocether with the Arch of that Sine, AD
- eriple oFrhe Generarins Circle.
- Ocherwile chus
- 8. F.
- The Rectanele AE is equal eo rmo Cirgles, al
- the Semi-Ellipsis AC C e eo onc, Wheretore che
- remainHS Space AeC F C must also be equal r
- cireles, and cheretore che whole Cycloidat SpaCe
- Manner ot Generacten et ine lctora abore de-
- Semi-circle, and consequens, e semi cycloidat
- Space equal ro chree demcireles. L. L. D.
- lirered: For since che Rishe Linc C F is equal co sition l had nom MP. Fumphry Diccon, Who is
- D F must be equal eo che Ouadrancal ACK AD;
- For che sereral Arks of che morins Circle do eve-
- ey where generare Righr Lines equal eo chem
- selres; Wheretore any Semi-ordinace drawn co
- Morr and plain, and depends on che Arictimerick
- OE Infinires. Thus
- che Curre ofthe Crcloid must be compounded oF do, do, dO; ecc. are suppoled eo be in Arichme.
- f Or D F, viz. 2 Righe Line equal ro rhe Parr rical Proporrions, and consequenty (o will che
- oftthe Ark chac hach revolved, and oE b d and Lines 00, 00, CO, ecc. Which trom the Nature
- BD che Righe Sine ot chac Ark in che Generatins (oF che Cycloid are all equal severally e0 rhole ArKS:
- Circle. R: F. D.
- Corollaries.
- cloid a Riehe Line may most calily be tound equal
- 2o any given ArK oF a Circle, op 1o ies whole Cir-
- cumterence; and consequently the Guadrarure ot
- che Circle may Geomerrically be had it chis Cyeloid
- be a true Ceometrical Curre, 25 indecd ir is HOE.
- evhere dranon equal co che Righe Lines bd, BD
- and bd; che Curve Line connectins cheir Exrre.
- miries will be an Elliphs (by a ProPOL. which vo
- vill find under che mora Elliprical Space) for the
- vohole Aporesare ot all Thele Righe Lines, or the
- Ellipeica lSpace wils be double ot che Semicircular
- One; 1. c. 25 Be is rO B B; and consequenty the
- cions, will bc 10 as matis eqsual 10 che Brentett
- 23F ED 2 (BV ProP. 2. OF DF. WV allis 5 Arith. Infi-
- Curvilincal Space Ae C D A Wis bc equal ro che nic.) Wheretore the space la S= =SV, bu
- Semicircular Space ADC. A.
- 2. DF (1. C. = DC L CF) Ouadrant D A, Where
- Fore since thae Whole BC= to a Semi-circle, che
- Remainder BD F FO must al(0 bC equal e0 a912-
- Cycloidal Space C DS must be equat t0 chcec
- Semi circles. 8. F. D.
- AFanE; buE BD =DC (by Cor. 2.) Wheretore cF che Curre Wc an lcars B0a) ou dcleti.
- vil be equal EO FO: and che lame way ot argu
- supposing it eo descend with the prearest pOstBL
- ing will alvays prove ef abore equal eo fe bc- Switrnets, IS IBC R 6) a Ca. LHIS f0Bi Bet
- tou; Wheresore all etie Indiritibles in each beins noulli, L Thinte, Arst proxosed, 25 a problem 10 be
- equal, the Space ee A f F will be equal ro che discovered, and ir hath otren been solved; but
- SpaCC FG L. HenCO,
- Cirele, (becaule one side is che Radius and the
- ortier the Semi-circumference) chac is, is equal 10
- the Semi-elliplis CDA; Wtctct H MC OF
- Philos. Transact. N. 268. In the Acta Fruditorum
- Inrectisarion Cor chis L’ine by Zames Bernoulli.
- CrONOS, the sman, a Constellacion in che
- Norchern Femisphere consictins Ot 35 Stars.
- CPLINDEK; che Hollon wichin every Piece
- EE VOU FaKC The Ouadran e LMIII DC CC S, OF Ordinance is called her Concave Cylinder.
- Wrhac remats, Wtieh is the Trapezium C CGL C,
- must be equal co the ocher Ouadrane of the FI-
- ExEINDER, is a Solid Body, made by che
- lipsis, or eo ille semicirele. Bur ic was proved in Rorarion ot a Rectanoled Paralle lopram about one
- 10 ec AfF; Wheretore che lrilinear Ligure
- F F F C A must 2ls0 be equal 10 the Semi-
- I. Since overy Cylinder hach a C ircle toc IIs
- ercte; are consequenls che inhoie semiepesoidal Bale, il vill be vecy proret 10 denoreis Bise
- ctiuo
- Fhis is proved trom che Consideration OF the
- P. Isence eis plain, thac by means et ee C).
- 2. It VousapPosc de, D e, ance ul 1odctes
- anorter Puch CHele, ana sES TOer HaIF EO Q SCMII
- circle as vell a5 iis upper one; bur in the love
- halt che Figure FG F. = to che Fieure ee Af F in
- the upper half; Wheretore couner-chanee chem
- and che SpACC C E A F A must also bC equal e 2
- The folloue Demonstration ot che lame Propo-
- very stiltul in chines ot chis nature. Tis very
- The Fixure is a SeMezeloid, where che ArKS
- Now rhele being a Selres et Arichmerical PrOPOE.
- ES D= 10 che Whole Circle; Wheretore the whole
- The Linea Celerimi Descensus, 25 Eis called, or
- very briesy and eahly by Mr. Zoln Crat
- 4.Z1s pran, that che Cycloidat Space is alvays Lips. FOr May 1690, p. 217 there is a Method ot
- Triple of the Generatins Circle.
- Fot IHC Rectanole BC F C is equal coche whole
- CVEMA, che same wvich Embroin.
- Cor. 3. TIaC CH LLHICat PACC LC L. lras equat set irs Sides.
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/806933011:0238?run=74