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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 806933011:0848
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Consider chiac ehe thins soughe must alvaz
Stata M Etic fourrhi ox last Place: And cheretore in
Cas. T. Tince P, a lensth 1S IOSHC, CHaL MWIEDC thC
ses ofplain sailins; and al(0 oF MIT. WrighES, OF
as ris commonr, tho Faily called, Mercators 1.
resard beins tult had ro che was ot workins by
Meridionat paris, 196.
The General Mechod to state any Case, or eoform ih
non.
an InteriBgation- POIE alter H, E0 iner ThaC IC IS
required or (ousHE.
being alivars Ot ihC LamC HACHIKC OL KIIC aIICL,
being a lenseh us and B the only lengrh gi-
Proportion disjoins or breats oH there.
last ofthe Pour Terms; Place itheretore lalt Wich
Inttie Golden Rule the second and fourth Terms
ven; B is necessarils determined tobe in The le-
cond place: Miue se n eretore in that place
vrich Tour Points atter itchus:: to hew chacthe
3. Consider thar the Hyporhenule norbeins ci-
ther gienor loughu, ee es sou
EO wock Oy Tangents: Andthe Side siren B beins
supposed Radius, the Proporcion must bc; AS B
consider d, 25 Radius is ro irs self considered 25 3
CCMH Siren::S0 Will P considered as the Par
For, in ehis Frianole the Anole a iS the Anele
OF thC RhumB, Or the Angle which the Line OF
the Ships Course makes wich ihe Meridian, and
cheretore ulually by the Saiters called, The Course:
and the Side P sepresenes ihe Meridian oF any
Place, acrols which che Strip is suppoled ro fait;
and consequently on ic must be accounred che diffe.
rence ot. Patitude becreen the rvo Places a and b.
The Ansle bis the Complement oF the Course, Or
Wrtrac chac Anele wanes ot 90 Dcsrees, and conse-
quends knomn when che Course isso. The Bale
reprelenrs the Difference of Longicude, or the
Departure West, or the Westins oF che Strip in
comparison ot the place ac a chac Me is suppoled
co have parted from: And the IIrporhenule II,
men callic) or hou mans Lcagnes or Miles IC
Ship Hach Cailedtrom he aotall.
This being understood, it ehis tirst Cale be Macle
a Case oF Plain Sailins, Wesc W de siven Course
and Departure; required cesene ot Lacirude
sent oF che Ansle b, bero its self considered a5
Lensch Cought. Thacis,
distance Saild, Or Run (25 che Sea-
reptel
 Ehie Angle b had been Soughe, chat must hav
in Case rhe fitth.
On, Cither SIBCH OE FCGUIIFCA, VON MIUIC NaVC WOTK
ed by Sines, and che IErpochenuse will be alivars
Ractius; a5 in C ase 2. Where FI is Couehe.
place, and since B a lensch is siven ot the lame
Vature with FI, thac must be inthe second place
Andehen Cay by axiom T. As DCodered as the
Sine ot the siren Angle an i5 to lls self considered
25 a lenoch; l015 Hl contdete do Hacuo, 102
CelF25 2 Lenoch Couphl. LHat lo
been placed last, and ic ould hare Aoodthus; 20
But iE che FEyporhenuse had been in che Ouesti-
For TI beins required, ic must stand in the last
anet  CatCH 1o.
A5 Radius is to che Departure in Miles :: S0 is
che Co Tangent oC che Course, 1o che Ditserence
ol Lalude in Miles.
N. B. Fere che Strip beine at a is suppoled 1o
Sail Souch West. ward (or to speak exactlr, W. S.
WV.) aud cheretore her disserence ot Lariende is
reckoned eo the South, and her Departure to the
West: Bucby Invertins che Came Triansle, You
may suppose the difference of Laricude Norch, and
the Departure Fast; For the Norchis accouncea l
And Eo TheW thC ExtenAre OSC OF chis Doctrine (lic riBHE BCFOTC.  OU aI COHICGLLH) LC Lau L
OE Plain Trigonometry, the General Friansle abore cheRixhr hand, audrhee . Mlle
deleribea aie Mumbec a cunet teae d pa le nom i5 L. H. L.
he dea, aad chenthelo y Caseo noul ve  ca