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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: 0.81.

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The machine reads it as

  1. The Tame may be ocherare eormed
  2. chus:
  3. Suppose on A R, ihe PerpMusa L LC Mt
  4. Drected at the Cnd R.
  5. PR OBL F M 1
  6. To Frect a Perpendicular on any assigne d Point os
  7. Siden B Le S Sapose est bsb 20b0 o
  8. On each side oF the given PoinE c; CIT OH
  9. ihie Distance d e
  10. F any
  11. other greatet Mat d C) deseribe civo Arches
  12. trom d and e, Mecem Cach orher in a, joyt
  13. ac; Wrhrich Man be che Perpendicular reguire
  14. e
  15. Ce = b d; 212
  16. convenient openins ol vour Com.
  17. passes, onc Foor beins placed in R, draw che
  18. Circle OCS; then Wwich che lame Distance, Pet
  19. one Foor in S, and crols che Circle in C, 25 aIsc
  20. TF e Y LMCt.
  21. PR O B L EM H.
  22. r, on, or near ihe F.
  23. in R; then on che Centres C and R, draw (Wich
  24. the lame Distance) cvo more Circles, currins
  25. each other in P; LCay PR, Will be Perpendicu-
  26. lar EO AR. For che Anple P R S, is a Rist
  27. one, beins in he de
  28. T0 Firect a Perpende
  29. s a siven Line. As suppose on R.
  30. iven PO1M. A3 2.
  31. conseguentis L t lu de tefen ad
  32. SR.
  33. Po let Fal a Perpendieular on a siven L ine, srom
  34. Open rour Compasses co any conrenient di
  35. stance, and Pertine one PoOr in C, draw
  36. Circle PL. S. Lay a Ruler From S, thro C, it
  37. will sind ehe Poine P in che Circumterence; ouL
  38. erhence drai lR, and ris donc.
  39. For ihe Angle P R S, being in a Semi-circle,
  40. must be a RighE onc; (by 3Y. e 3 FuCl.) anc
  41. R O BL F MI TII.
  42. Sec one Foor ot che Compasses in a the LOI
  43. siren, and with che ocher erols che siven Line
  44. in che Poinrs b alid c: Then setrins che Compa-
  45. ses in b and c, draW tW AkS, CCMHS CaCH O.
  46. cher belon in o: Then lay 2 Rulex trom a 100,
  47. The Demonsration depends on che geh i1
  48. aud ris donc.
  49. taette
  50. et altddo

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/806933011:0618?run=74