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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: 0.88.

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The machine reads it as

  1. ROOES (VIZ. OF the upper) reach aS Fax a5 the PyCS
  2. Or chacthe Came Nerrethatmoves chat FyC, sendi
  3. aTvis cochese Tccth; neicher ot which conceir
  4. are crue: The Roors of chele are single, as thol
  5. Ot the Incisores, bur cher are boch Comerimes crook.
  6. ed; andit such People in whom chey are l0, chanc
  7. ro hare one ot them drann, cher can hardly be
  8. pulled out, wichour breakins offa Piece oFrhe AI
  9. veolus, in Wtrich cheyare fix d.
  10. Those oF che Third Rank, are called Molares
  11. Crinders, because like Mil. sones, chey Orind che
  12. Meat. Mos commonly cher are cvener in Num
  13. ber, sive in cach side of boch sans. Therwotore
  14. most chac stand next ro ihe Dog. tceh, are less
  15. chan che rest, havins bur cmo Knobs atthe lop
  16. buc che chree Findmost are larger, andhare four
  17. beins in a Manner tour Square.
  18. The euo Foremolt allo, have bur rvo ROOrS
  19. most; buc che chrec hindmost, commonly, chrec, o
  20. Tour. Buc thole oErhe uxper saw, have For che
  21. most PAPE, One ROOE more, then chese which are
  22. oppolice rochem in the Cover; or howerercheis
  23. ROOrS are larger.
  24. The Kcacon whereot masb,
  25. First, Becanse chey are Pendulous, and s0 are
  26. the apFer tO drop ouE: And
  27. Seconc), Because the Subitanee et tne upPC
  28. Pa, is noc (0 tirm, as chat oFche louer.
  29. The Ce bt The Lcech, is prulepals 10 eten
  30. the NCaL, LO prepare ic For thc Scomach, chat il
  31. max che caser concoet ic into Chyle. Theinciso
  32. res bice oEche Morsel, che Dos ccech break id
  33. and che Crinders make ic small; Wheretore, chey
  34. are Aac in che Top, charctier ma cheberter re
  35. ceire, and keep che Meac; and rouxt, chac chey
  36. mas grind ic che better. The Pecch concribure
  37. also, 10 che Formarion ot che Speech, especially
  38. che Foreceech; for chole chac hare lost chem
  39. Lisp, as we Car, and cannor pronounce plainty, suet
  40. Syllables as hare C, X, (96
  41. TEINT, is a French Term in Paincine. sienisi
  42. ins chac Arrificial Colour, ol nhich ans Objecti
  43. compoled.
  44. TELFPTHOM is che tame DIcer vich Chironis
  45. (Wwhich sec;) ir is (0 called From one Telephius
  46. ho as a lons cime rroubled wich chis Pileale.
  47. Blanchard.
  48. TELESCOPE, is an Opricte tnarument wohiet
  49. Terres to discorer Objects ac a distance.
  50. IF a Telescope consist only ot a Conrex Object
  51. slass, and an Fre glass ot a much greater Con-
  52. rexier, (or Wwhich is a Porrion oF a much lesser
  53. Sphere) chan che Object stals is, (Wwhich 18 che
  54. common Form of a Telelcope For ihe Nighr.
  55. Then ill ch. apparent Magnicude oF rhc Object
  56. (een chroush ir, be 1o che Object scen by the na
  57. hed Fyc ac the Scarion, oF ihe Object. SlalS:: A5
  58. the. Focal Lengrh ot the Object glals, 10 the Focal
  59. Penerh oF che Fyc stals. Molineux Diopt. Nov.
  60. Prop. L. XII. Thus
  61. Suppose che Focal L ength oF rhe Object slals be
  62. 12 LOOl, Or 144 Inches, and chac of the fiye- gla(s
  63. 3 Inches; chen che apparene Diamerer ot theOb-
  64. AIIO, if cuo Telescopes hare diserent L engths
  65. and che Focus of the Fre slals oFche Shorrer, Deir
  66. the lame proportion ro the Focus ot its Object
  67. Slals:: a5 The Focus oFthe Pre. glass oF the Lonse
  68. bears ro ies Object glals; chen thole rmo Tele
  69. scopes ill Magnifie alike
  70. Bur ver lons Pelelcopes are ot very great use
  71. and eis impossible io mâke MOre ories perform as
  72. Wvell: FOr,
  73. 1. Object. glases OF a ThOTTeF FOCUS, will nOK
  74. bear Eyc. elals proporrionably MOrr, ictiout co
  75. tourins he Object, or rendrins it dask and ob.
  76. Ceure.
  77. For Instance: Suppose a very 500d 12 F00r OB.
  78. ject glass will receire an Lye elals ot no Morrer
  79. Focus chan 3 Tnches, wich clearnels and distinct.
  80. nels; vet horverer an Object-glals OF 24 FOOE
  81. equalli so0d, will bear an ere slals of lels chan
  82. 6Inches Pocus (perhaps oE 5 Or 4 Inches Focus)
  83. wich equal clearnels and distinctnels.
  84. Andthen, tho an Object slalS OF 12 For, wict
  85. an Eve olals ot 3 Ineties, ill magnitie buE AE
  86. cimes, as is abore proved; vet an Object. elals ot
  87. 24 Foor, ich an Lyc. glals oF 4 Inches, willmag.
  88. nihC 72 cimes; wrticti is near ore cuird more chan
  89. chetormer; and chis is + vast AdranaBe.
  90. 2. The Imase oF the Moon, or orter Obiect.
  91. in the distinet Base ot an Object sla(s oF 24 FO0r
  92. is crvice as lons as che lmase in che distinct Bale 0
  93. an Object glass of +2 FOOr: And consequentirche
  94. Imaxe in cheformiex will be much more plain and
  95. distinct.
  96. Hence may be concluded also, That it che Ob.
  97. ject. BlaIS, be formed on a lels Sphere than thC
  98. Ere Bla(s, the Apueararice ot Objects will be
  99. diministed in che atorelaid Proporrion; 25 is plain
  100. by che Case, wrhen a Felescope is inverred
  101. Theresore all Persons which relate Phenomena,
  102. obserred by cicter Telescopes, or Microlcopes
  103. ougtie eo menrion noc only the Lenoth oF che Tube
  104. in genetal, bur also eo exprels theparricular FOcuS
  105. oFboch Eyc- Blals, and Objcet- slats, rogether wich
  106. the Aperture oF che Object. sta(S; Or el(C OnE CAHHOE
  107. Wvell judse ofche Dcgree ot magnitvins
  108. To decermine che Angle receired by à Telescope
  109. ot chiis Form, ME. Molyneux sires chis Rule.
  110. ASche Distanice Berween Object and Eye stalS,
  111. is co haleche Breadch oF he Fre Pla(S:: Radius.
  112. coche Tansenr of che Ansle.
  113. IE2 Felescope consist oF a Conver Object Xlats.
  114. and 3 Conrex Fiye-Blasses, Cirtrich is che utual
  115. Forn ot Telescopes ro be uled by Day:) Them
  116. ihc Distance berwween che Arst Lye. Blals and che se
  117. cond, must berhe sum ot cheir Fori; cheDistance
  118. beceenche second and chird Liye-slases, mustbe
  119. allorhe sum oftheir Foci; Torhatallche Glassesare
  120. distant trom rhe next adjacent Glasses the sum ot
  121. cheir Foci; only indeed chere may be some licrle
  122. Varicy in the Distance becween che Arst and se-
  123. naked Lire, Wt be 25:: 144103, or ad 40le cond Ere elass; Wtrich is the reason chere is a
  124. Dram avvars made chere, 10 alter it ac plea-
  125. Pure.
  126. This Telelcope is onty a double one oF che For
  127. Iller Form, ard as the former Inverrs che Objects
  128. this Inverrs char Inversion, by che addition of tvo
  129. ore Classes, and consequeneir represent all chins
  130. ject (een chrough che Gla(s, 20 chac seen by che
  131. Wheretore tuch a Telescope ill be Paid comagni-
  132. se che Diatmerer OF The Object 48 rimes, and itS
  133. Surtace 2344 rimes, (2. e. the Sguare OF 28.)
  134. Wnecctocei Chc lanre osectElato dC Coo
  135. ned vith an Eixe Gla(s, Whose Focus is 1: and aF
  136. anocher eime wich an Eye slals Wtole Pocus is 2.
  137. uetorne releicope it maeuite cnre ad muct) libusi, di pactes aher aogeni sis cet.
  138. e le lalet.
  139. Leetepoto

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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/806933011:0814?run=74