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
- considered.
- Breadths.
- M Lcienes or Mulcipliers; and cheretore must
- makre ehe Products De in the lame Proporrion a5
- e Mulciplicand was betore
- Thus it che equal Alticude ot any evo Trian-
- sles, Parallelopipeds, Cones, 690. De called a and
- their unequal Bases b and d: Then by che L3Th ot
- placed amons che Elements oE Geometry.
- AS F Y
- oles will be to eacH other, 25 3 X 5 (= 15) 15 10 L sna lo LSht Lines, inhose sum and Difference
- clans les ate voone aroitter in a llatio compoundee
- OF char oF chest SIdes.
- portion ro the Ratio of the Sides.
- is siven, Reciprocally proportional to o siven
- Lines.
- Os ihe Proportion os Fieures
- I. To find the Provorrion thar one Rectangle
- haeti co anortier, boch Lenerh ane Breadihmulebe
- For Rectansles are ro cach ocher as the Products
- For ihe Bales, or Fleipts, vill severally be com-
- ol cheir respective Lenertis mulciplied by their Proporcion (abore) b. d:: 4b. a d.
- Thus, is rhere BC EVO RectanSles, ThC FOrMeF OF This Problem Beins OF ConSanE DSC, OupHE tO bC
- ohick HaTH IES L CHOEH G InCHCS, TataS, ∞C. arid
- iES Brcadch Z TncHeS, TaFaS, OC. aha che lateP
- hath its Lensetr 8 Inches, Tards, (9c. and its
- Breadth, 4 Tnches, Tards, (90. Thenthe Rectan-
- X 8 (= 32) 1. c. 25 15IS 1O 32. So thaF aII R C-
- Lec the ero siren Lines beb and c, and lecche
- Sum ot the tro Lines Cought bCZ: Tis required
- t0 find a Point wvhere Z mar be (0 divided, 25 chae
- 10
- 2. Wrhen Rectangles have cheir Sides ProPOrri
- onable, ((0 thal a b: ch: : a d : c f) then iS F
- Rectangle A, 1o the Rectansu B, in a duplicate Pri
- mm
- First sindma inean procboat bellcen b andc
- let talt m, ana uaW K: Lhen, lCay, a and e are
- ine Sesents sequired: LOr a e = m m = b c.
- Which ercet perpendiurasss al cicher end ot L
- Ora a Parallelto Ly aie Wsere it cues the Circle
- ti
- FOr the LLaTIO OF A tO B, Lo COMMPOMIdCa Ot the
- Ratio oF ab, t0c h, and oF the Ratio oL a d, 10
- Bur in this Case a dsWeB, inthe very lame
- Ratio a5 a d IS EO e F; and cheretOre che Proxorrion
- et A co B beins componnded et those tvo cqual
- Rarios, must be duplicare oF the Ratio oF rheir
- Sides ro cach ocher; thac is, duplicare oF the Ra-
- tio ot ab r0 eh, Or OE a d 10 ef. D F. D,
- Flence all lriangles, Parallelograms, Prisms, Pa-
- rallelopipeds, Prramids, Cones and Cxlinders are tO
- one another respectirely compared, in a Proportion
- compounded of that of their Fleishes and Bases.
- 3. AII Friansles, and Paralleloorams, Pyramids,
- Prisins, and Parallelopipeds; al(0 aIl Cones, and
- Cylinders, cach kind compared amons themsetres
- IF cher hare equal Altitades, are in the Tame PrO.
- perrion 25 cheir Bales: IEchey have equal Bales,
- are as cheir LdeieHIS.
- COROL. L. A R Y.
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/806933011:0670?run=74