GUN 
_miks, and the angle oppofi it i the perpendicular 50 degrees, to 
. lar.—As radius is to the tangent of the 
Jind the perpendicular.— 
given age degrees, fo i 18 na bafe, 20 miles, to the per- 
pendicular fought. Extend the comnalles then on the line 
of tangents, from the tangent of 45 degrees to the tangent 
of 50 degrees ; and the fame extent will reach on the line 
of numbers the contrary way, from the given bates: 20 miles, 
to the required perpendicular, 23% miles 
Note, the extent on the line of pee AS. is here taken from 
20 to 233 forwards; that the tangent of 50 degrees may 
be as far een: phe: ange of 45 degrees, a as its comple- 
mile ae the pe entra sn met les, to gins the a 
mile 
and bot 
bafe making go deg. the angle oppofite the perpendicular 
will be greater than the ao ge ae to the bafe ; and 
ougnt 
5. The hypothenufe of a right-angled fpherical triangle being 
set, pe 60 degrees, and one of the he fies 20 degrees, to find 
te to that fide — —As the fine of the hy pr 58 
ey oy 18 5 to radius, io is the fine of the given fae 20 deg., 
he fine of the ange oe Extend the compaffes on 
ne ce of fines from, 60 . to the radius, or go deg. and 
¥ t will rea ee = ‘the line of fines the fame way, 
gas fide, to 23 deg. 10 min. the quantity 
ect ce et OM 9. 
Dp J 
rom 20 deg. the 
of the angle fought 
6. The courfe and diftance of a fbip in. given, to jad th 
difference of latitude and departure.—Suppo a fhip fails oan 
the latitude of 50 deg. 10 min. north, S. S W. 48.5 miles ; 
as radius is to the sintice failed 48.5 miles, fo is the fine of 
the courfe, which is two points, or the fecond rhumb from 
ae Epes to the departure. Extend the sane from 
go deg. on the artificial fine rhumb-line to 48.5 on the 
f umb fame extent will reach the fame wa 
rom the fecond rhumb, on the se ee eae fines of the 
thumbs to the departure weftin 
GUN 
Ais the difference of latitude, 70 miles, is to radius, fo is the 
departure, 7.5 miles, to the tangent of the me 39 deg. 
20 min. or three points and a half from the m Ex. 
tend the compaffes from the fourth rhumb, on se fhe line of 
artificial tangents of the rhumbs, to 70 miles on the line of 
aman the fame extent will reach from 57.5 on the line of 
numbers, to the third rh ws and a half on the line of artifi- 
cial tangents of the rhum 
in, as the fine of tg courfe, 39 deg. 20 min, is to 
the departure, 57.5 miles, fo is the radius to the diftance, 
90.6 miles. Extend the compafies from the third oe 
and a half, on the artificial lines of rhumbs, to 57.5 miles o 
the line of numbers; that extent will reach to the fine of 
the eighth yes puller on ig lines of the rhumbs, to 90.6 miles 
on ihe line of nu 
- Three fides of an “bli ue [pherical triangle being given, to 
Sand the angle a to the oe op the tf AB, 
. be 40 deg. the fide BC 60 deg. and the 
. to find the angle A BC. A the three 
fides together, Sal from half the fum fubtraét the ates 
fide A C, and note the remainder: thus e. gr. the fum will 
be 196 deg. half of which is ae deg. from which fabtraét- 
ing 96 deg. the remainder is 2 deg. 
Then extend the compas from the fine of go deg. to 
that of the fide A B 4o deg. and preying this extent to 
the fine of the other fide sais 60 you will find it 
reach to a fourth fine 34 
Again, from this fourth ‘fee extend the compafles to the 
fine bey the half fum, i. e. the fine of 72 deg. the ek apt 
deg. to 180; this fecond extent will reach from 
the fine of the difference 2 deg. to the fine of 3 ke ae 
min. againft which, on the verfed os ftand 151 deg. ps 
min, the quantity of the angle fou 
GUNTERSBERG, in Coe aahes a town of ‘Germany, 
in ng born of pie Bernburg ; 28 8 miles S.W. of Bern- 
we 9 E. long. 11° 11'. 
3 
a 
Sb 
Lard 
© 
Ath 
ondavir, a 
teaitiag along the Can of the ba 
30 miles. 
extremely eligible, as — for t 
the French nation from 
munication with the n 
percne of our poffeffions, and thofe of our allies. - 
though the maritime parts of this circar are flat and open, 
Again, as radius is to the dif 
the cofine of the courfe, 67 deg. 30 min. to the diffe of yet the interior part of it contains fome very ftrong fortreffes 
aie. Extend your compaffes from the radius, on ‘the and pofts. “The principal poft in this circar is is Gondavir : 
ne of fine es on the line of numbers ; the which fee. 
€xtent will reach the fame way, from 67 deg. 30 min. on the 
the | line of numbers 5 which con- 
ine of fines, is 44.8 on the flider, for the ¢ 
and departure om the meridian 
emekooke 
ie seriesstnns Hilhe hese 
To min. or 70 miles, and is depart from 
57-5 miles, 40 find the courfe and diftance, 
= es 
GUNTRAS, a town of S. America, in the bites of 
Chocos, on a river of the fame name; 130 miles S. of 
Popa 
GUNTZ, or KEssEG, 4 ae of bear on an river of 
fame name, with a ca 
ditch, ina see coated oh corn sid wine ; 40 Sas 
>. 0! 
GUNWALE, or GUNNEL of cise is that: piece of © 
timber which reaches on either fide e fhip, 
deck to the fore-caftle, at 
- finifhes the upper works of sin tart ad ere 
in they put the ftanchions w ich fupport the wafte-trees. 
: Sit Serger. aie there be in the 
fhip or not. The apn Samad PL 
Ot Tarte Gomereston 2 
G LZ, JUSTE- ROID, 
oma se of Saxons co eae 
