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: 0.86.
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The machine reads it as
- In t
- ence between the Ri
- L.
- ines RN and K n, drann from ehe same Point Le aeseride an Fyperbola, having che Fransverse Dia
- in the Curve to boththe Foci, is alvays equal tothe
- Transverse Diameter or AXiS I F.
- mecer D E, and ihe Loci l and n siven.
- From che Point K in the Curre, lex the Ordinat
- K Ebe appliec, chen will P Pbe che Abscissa, anc
- noced cb. Let C. NPor C n; che Distance From the
- Focus torhe Centre, De called m, 25 in (Cor. 2. 0t
- Prop. 2.). Then wil IN =- C 1 -] - C N == = 0b
- eb. 1 m: And Ln = CL = C n = : 0b. +
- eb. m
- Square each, and L N Square = 00b B-
- cbb -] cc b b -] - 0 b m - 2 c b m- mm
- And In Square=
- 400bb F 0c bb Y ccbb
- =ob m. = 2 c b m- = m m.
- Tocach oF wohich Squares, add the Square oF
- the Ordinare P. R, Which in ehis Nocarion vill be
- Conrid ro BC +cm m - 4c em
- Sec Cor. 3. oE Prop. 3. and chere will arise che
- Square oE rhe Hyporhenules, KN = 10 400bb
- = 0bm + 2cbm = mm. 1 + em m.
- +e e m m
- 00 and oE K n = = 00 bb = ob m.
- 2cbm. F mm- p + emm aeemm
- Out oF which Onantiries extract the Squari
- ROOIS, 25 may casiy be done, and chere will L
- toune,
- R N = = 0b -] - m -)- 2 em
- And
- En = : ob = m - 2 e1
- Whose Sum is just ob. 2. F. D.
- N. B. LAO EHC LalC, L2 n =0b = p 2 en
- be an impossible Equarion, vet ris no matter herc
- vecaule alt se Paco, buc: ob. nec to in 1
- Addirion.
- From N, ac any convenient Distance, a5 N F
- Arike an Ark, and keepins cho Compasles ac char
- Distance with one Foor in C, mark che Point C ir
- the Axis continued; then ich che Lenoth C P
- and one Foor in n, Crols He Formex ArK L, 1O IIIAH
- vou sind a Point Which is in che Hyperbola; and b
- chis Hethod repeated, vou may find anocher Poine
- ffurther on, and (0 a5 manr a5 rou pleale.
- Th
- Realon ot ihich is cridene trom chis PropO-
- Etion.
- Let the Second Aris or Conjugate Diamerer os the
- Tirperbola B A, bc dus i adn i placc at is
- Vertex, paranet 10the Granates, ad L. LBet
- is from the Centre L, jou dram thro the Points
- Oand P, tro RM Lius tunnin on insinuets
- And aster this dram a Parallel to this Diameter
- Wobidoro oie tesecobtaus ad etrus t sus.
- Ic will be plainis demonstrable,
- I. Thatthe Parrs of the produced Ordinates, CC
- and II R, intercepted between the Curve and the
- Asymptotes, will alvars be equal.
- Forthe Prianples C E P and C F R beins Simi-
- lar, a5 also C F O and CFC:: it must BeaSCF
- : P O (OF FP):: C F: F Q OF F R. BuEO F
- and P P’are =: WVheretore (L F and F R must bC
- equal: From which catins che equal Ordinares
- che Remainders: FI R and D C must be equal.
- 2. F
- Il. The Rectansle under C and er l (or l1
- and lG) nill ever be equal to the Square of B,
- For che Friansles C F. O and C FO, beine
- similaE, C F: F O: : C F : F 9: : (OF 25) thC
- Square CC: SGlate L.. Hal 15, (b) Cd1. 3
- Prop. 3.) 25 the Latus Transversum 10 che Latus
- Rectum. Thac is, by che lame Proposition as che
- Rectanole DE EiS EO F C Sgnare. And C F Square
- EO Square:: C F Square: F O Square. BaE iF
- From CF Square, voû tate avay che Rectangle
- DF L, chere ill remain C F Square (bY 6.
- 2 Euclid.) And is FrOm ChC SquAre OF FO, vou
- cahie uhe Square ot J C. here wil remain che Rrect
- an81
- ROP.
- C2) or eo a souret part os che Figure.
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/806933011:0428?run=74