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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
# Folio - , page id 806933011:0801
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ahich Meature, and pur che Contents donn seve
ralr; vtiet conetlo ne alt ino Perciles, alle
hrixpose AB. C D à Hill rohiose Bale you voulet
ut1610
C0 Will che LTlalBC.
32
37
Perches.
Aeres, each Mans Proporrion beins 1440 Per-
CheS.
From C 10 any Angle dran L Line Cor the Di-
vision Linc, a5 C A: Then consider chac the Arst
Triangle AOB is but 674 Perches, and the second
Friansle B∞ C 390, boch rogether bur 10643
Perches, le(s by 376 chan 1440, one MarS POT.
tion. Tou must cheretore cur of From che chirc
Triansle C OD, 376 Perches For che Airst Man s
dividins Linc, Wen cnus sou do: The BaleDC
is 18 Chains, ede Content ot che Triansle 1238.
Cay chem, IF 1238 Pelles sire bare 18 Chains
Whac Mall 370 FCCes SIC: Ansover, 5 Chains
45 Links; which set from C e0 F, and dravine
(0) P, vou hare chetrst ManSParE, viZ. AO F.
Then sce nac rematis ot inc sliangle C W L
376, beins caken out, and rou II And ic 10 be, 862
Perches, Which is lels by 578 chan i440.
Theretore trom che Triangle D O P cur of 578
Perches, and che Point oF Division will fall in C
Draw ihe Line O, ertrich rich ) A and O P
divides che Fisure inco threc equal Parts.
13. Torale che FTorizont al. Line of a Nill.
Lout Instrumene beins placed ae A, caule
Mark eo bC tet ux ac B, Sohigh abore checopo
the Flill, a5 che Instrumene Rands trom che Crouna
ac A; then cake che Angle B A D, 58 DCZ. Mea
lure the distance A B, 26 Chains 80 Links: Then
(aY,
When vou meature a Fhill vou must meature
A5 Rad: AB:: S, BAD: AD.
C 90, 00 : 16 CH. 80Lin. :: 5, 32; 001
8 Ch. 90 Lin.
Then remore pour Instrumeneto B, and rake
che Angle C BD, 46 Des. Mcalure chedistance
B C21 Chains; chen CaY,
AS Rad: BC:: S, CBD: DC.
5, 90d, : 21 Ch. : : 5, 46d : 25 Ch. 12 Links.
Thic 15, 12 added t0 8, 90, makes 24 Chains
2 Lintes, Forthe whole Base A C.
Ocherwise chus.
Fatie che Aneles BA C 58 d. and ABC, 18 de8.
Suberact chese to trom 180 deg. chere will remain
che Ansle C 44 des. Mcature AB; chen lar,
A5, S, C: AB: : S, B: AC.
che supersicies chereos, and accordine ir cast ux che 24. F0 find ihe Content os jour Field in Aeres, and
Contents. Buc when vou Plot ic donn, becaule
vou cannor makre a Conrex Superticies upon the
Paper, vou must only Plot che Forizont al- L ine Or
Base chereot, Wvtich rou must Madon over wich
the relemblance oF a FTill. Thac FTorizontal 0.
Base. Line, is Found atrer chis manner.
Parts of an Aere.
SincC NIE. Gunter S  Pole Chain, all alons here
used, is supposed eo be dirided into 100 equat
Parts ox Links; and that everr Aere concains 160
Square Perches or Poles. Theretore 160 P erehes X
into 160 Perches, = a Square ACrC. BuE chC
Chain beines Decimally divided, (0 chac in ore
Pole Chain, there arC 10O LinkS; cheretore 1O
Square Chains must make an ACrC; ThaL iS, 2M
Acre vill conair 10000 L intis.
The whole CChrenc beins 432 Lerches, Or 2