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: 0.90.

Original at the GWLB · Page image · Annotations (IIIF) · Download text

The machine reads it as

1. TROCHLEA, a term in AnacomY, the same (Line, o chich the Limits of che. Made is caken,
2. Wvirh Bathmis.
3. TROCELEA, is also one of the Mechanick
4. Povers, and is whar we usially call che Pulley.
5. TROCFTLLARIS, is che upper or greater ob
6. ligue Mlusele OEthe Lye. Sec Obliguus Superior.
7. TROCTIOID, che lame wich Ercloid; wrhich a, b c, c, beins suppoled Poinrs obserred, che
8. sec
9. TROCTTOLTCKS, is by Lome rakten For thac cionalro the rimes ot cach Observariou, betore or
10. parr ot ihe Mechanicks, Wvhich Mems che Proper- (afrer che Fropical Moment in Cancer.
11. ties oF all circular MorionS.
12. TROMA, is a Wound trom an external Cause.
13. TROMBOSIS, is a Lremblins, Or a Deprava
14. tion oE che voluntary Morion ol ihe MembeTS.
15. Dlanchard.
16. TROPES, are when ords are changed trom
17. cheir proper Significarion, and appliedco other chinss
18. than wrhac cher naturally MCan.
19. TROPICAL Tear. Sec Tear
20. TRODE, in Archirecture, iS an OrnamenE
21. Which reprelenes che Prunke ot a Trec charged or
22. encompassed all round abour wich arms ox Mili
23. tary Wcapons, boch Offensive aud Desensive.
24. TROPICRS, are Circles suppoled to be dramn
25. Parallel corhe Lquinoctial ac 23 de8. 301 distance
26. Trom ic, one ror ards che Norct, called che Propick
27. of Cancer; and the ocher romards che Soutt, calla
28. che Propick of Capricorn because cher lic under these
29. SignS.
30. MP. TTalley, in Philos. Frans. N 215, bY chree
31. sublequent Obserrarions made neax the Propick,
32. ac proxer incerrals oF Time, hens a Method tO
33. sind chic Momene oF the Suns Ingrels inro the TrO-
34. pical Sions, capable oF all che Fixactnels the most
35. Accurate can desire; and rhat ithout any Confr
36. derarion oF the Parallax oF the Sun, OF the ReFra-
37. ctions ofthe Air, ot che prearest Obliquier of che
38. Ecliprick, or Laticude of che Place, premilins che
39. Solloin s Lemmata, viz.
40. P. Thar che moriori oF the Sun in che Fcliprick
41. about chetime of che Fropicks, is lonearty equable
42. thac che difference from Lqualier is noc sentible, trom
43. Are Days betore che Tropicks, ro sire Days atrer;
44. and che difference arisins trom the licle Inequalies
45. thac chere is, never amounes ro abore = oF a linglc
46. Second in che Declination, and this by reason ot
47. the nearnels of the Aposaon oF che Sun tothe Tro
48. pick os Cancer.
49. 2. That FOr sive Peorees Besore and alter che
50. Tropicks, the disserences whereby the Sun Falls
51. Morr OF the Propicks, are as the versed Sines oF
52. chesunsdistance in Longitude tromthe Tropicks
53. erhich versed Sines in Arches under sire Degrees
54. are berond theurmost nicetr ot Senle, asthe Squares
55. o chole Arches. Erom chesermo Collons,
56. 3. THaE FOT AVC CayS Betore and aTTeF THC FFO.
57. vicks, the Declination of the Sun Falls Morr oF the
58. urmost Fropical Declination, by Spaces which are
59. in duplicare Proportion, Ox a5 the Squares oF the
60. Times by wohich che Sun is wanrins ot, or past che
61. Moment ol che Tropick.
62. Hence is erident, chat if che Madows oF che
63. Sun, cicher in the Meridian, Or any ocher Arimuct,
64. be caretully obserred aboue che rime of the TrO-
65. This beins premised, the erue rime oPthe Fropiek
66. by chrec Obserrations, is tound trom ehiis Ceome.
67. crical Problem.
68. Favine chrec Points in a Parabola A, B, C, or A, F, C.
69. siven, rocether mith the Direction of the Axis, Y0
70. fnd ile distance os those Pointsfrom che Axis.
71. OE chis chere are tuo Cases; the one when che
72. time oF che second Obserration B is precilelr in the
73. Middle rime becreen A and C: In This cale, put
74. tins For che whole rime becween A and C, then
75. A c che Interral of the remorest Obserrarion A
76. trom che Tropick, is sound by che Collovins Ana
77. 109Y.
78. 2 ac = b c: 2 ac = = bc: : = + (OP AF): AC
79. the time OFthe remorest ObserratiOn A FrOm thC
80. Tropick.
81. Bur the other Case, when che midale Obserra-
82. tion is not exactlr in theMiddle berwmeen che Oiher
83. tvo rimes, a5 ac P, is Comething more operole, and
84. che whole Time From A eo C beins puF == +, and
85. From A 1O F = 5, cc = c, and b c = b, the
86. Theorem will stanc chus =LC = b55
87. Time (ougHE.
88. 21C-265
89. = A C, thC
90. F0 Wustrate ehis Mechod oF Calcularion, he
91. sires chetro follovins Examples.
92. Anno 1500, Bernard WValther, in the Month ol
93. Zune, ac Nuremberz, obserred che Chord oF che
94. distance ot the Sun trom che Zenith, by a larse
95. Parallactiek Instrument ot Pcolemy, 25 Lo1loWs.
96. 2. 454677
97. 8. 44975
98. Tune 3 9. 44934 F and 7une 7 12. 44883
99. 16. 44930
100. l16. 4499
101. In boch twhich cases, the midelle Time is exactiy
102. pick, the Spaces whereby che Tropical Made falls in che midale berreen the Exrreams, and chere-
103. MOrE OF, OE excecds thole ac other rimes, arc al- Fore in the Former thrce, a c = 533: b c = 17
104. vars proporrionable to the Squares of thie Inter. and t, the Pime berween beins Ta DaYS; bY. chc
105. vals oF Time berween chole Obserrations and rho) sirs Rule, che Time ot che Zropiek will b e tound
106. truerinie ol che Fropick; and consequently, il ihe bs chis Propercion.
107. be lace ihe Axis, and che correspondent Limes
108. From HC Lropick, expounded by Lines, De crected
109. OH tneir respectire Poines in che Axis a5 Ordinates
110. the Lxcremicies of chole Lines Mallrouch che C urve
111. oE 2 Parabola, 25 in the followine Fisure, where
112. LiHeS aB, bC, cA, C F, are respectirely propor-

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/806933011:0867?run=74