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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 806933011:0799
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per; hic (as esere directed) Prorraet  LIscle Plrhercon set OH 33 CB. J Cks; then wichthe
En 273, 4. Lhac adte, let oit fou ))-) ets, a5Vou
tind chem in vour Field-Fook, viz. O c and 0f
perpendicular ro che Line L, 2; al(o Cd p and O B
perpendiculat co the L ine 2, 3; makinS MarKS aF
eu f.
meatures oF che Sides AB, BC, complear che Zri-
2118lC ABC
AIIO, wich the meatures oF rhe Diasonal A D
and che Side C D, complear che Triansle AD C,
h, C5c. chrough wrhich dran Lines, Which uxon the lame Base C A.
Mall Incerscet each ocher ac the rrue Angles, and
Then wich che Meatares oE ihe Diaxonal A F,
describe che erue Bound.Lines oF chie Field or and the Side D F, make ux che Lrianole A B L.
Wood. And then il many incermediare OH- Pers
Lasly. Ooon the Base A R, Wich che meatures
becireen Ansle and Arigle be raken, when neces- oF che Sides AF, P F, compleat the Priansle AFL
Cary, is e ter) deanmost expeditious Method
et Surrehtne.
S0 rou hare che rrue Figure oF che Field, consictine
ot tour Priangles, Wrhich are ro be mealured by
che Direction siren under che Word Chain.
os Lands.
And when rou come ro lay chis donn uxon Pa-) T0 Ploc which, dra a Line ac pleature, a5 AC,
In Working afcex chis manner, observe.
c.  the Wood be Corhick, chac vou cannot
chins, by soins on the ouchde round che Wood.
2. It che Diltances are (0 Far, thar vou Cannor
sce trom Angle co Angle, cause youx AMiIa WKL
up a Mark Cotar From rou ns rou caltconvement.
ly sec it, ds acn; meature che MMCatC  ale
rake the Off- sets trom neo che Lscuses Mer.
Nork wichin ic, vou may chen pertorm che lame 9. The Practice os Surverins, as il relates 1o Dividins
cced on the Line rill rou come ro an Anele.
Lodiride a Lriangulas piece ot Lane, inEo ans
number et equal or unequal parts, by Lines pro-
cecdins trom any Poine attiened in any Side
chereot.
Ler A B C bC The TCaSMaL pCCC et Luu
contamins 60 Acres, to be dirided berween chrec
Men: The Arst tohare 15 Acres, the second 20,
and che chird 25 Acres; and che Lines ot Dirilion
8. The common v
y used by Surverors for taline
tot of a Fiela by Chain onty.
Suppose ABC DEF r0 be the Field, Whole
Plocis required.
io Procecd From D.
First, meature the Batc, ntich is 50 Chains;
hen divide chis Ba(c into 31
60 sire 50, Vrhac Mall 15 sire d Ansiver, 12
CMainS 50 LinkS FOr MC
LinkS, viz. From F i C
tel eoBD. LastIY, From L, uaW DEI and DC
patte dd ere reqae
us, laving, II
A Maris Base, whictu
sexErom A tO F. ABain, Pay, IF60 gire 50, Wha
Mall 20 give  Ansiver, 16 Chains 66 Linkes (0
che second ManS Base, irtrich set oH From P rO P
Phen the chird ManS Bale must be 20 Chains 8.
This done, draw ar
oblcure Tine From D ro the opposire Anele B, anc
From L and P draw che Lines FFI and FC, paral.
2. Meature round che Field, and Nore down it
vour Field Booke erery Side chereot.
utrict Mall divide che Prianste inco chree suct
2. Reduce vour Ficla inco Triangles, by che
BTaSOHaI EL L3 LL 23 L2 Lo WCA adC d LC
on in So Le oBL   a
FhuS.
ICB. L. in
A C 33 30
Diagonats.  A D 25 90
a F [45 40)
din
1