FORT: 
| Pale Star, is : {conce of sale — by re- 
terit angles, having co oe from five.to 
cight point and ae fides flanking ae cth 
0..defcribe a flar-fort —Deleribe a eee aBCde 
divide one of its fides into four equal parts ; 
ar D 
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Cad 
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iy) 
are 
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5 
2. 
i 
e 
and let the fame operations 
be performed with refpe& to the other fides:of the hexagon. 
-Forts are 
This, as well ast uare and pen- 
8. and g.} may be deferibed i in rm fol- 
allel to the inner figure, whether it be 
a triangle, fquare, or pentagon, who fe fide A 
fuppofed about eighteen yar ds, defcribe an outward Gun 
at the diftance of about four or five yards from it, or far- 
ther, if pea whiofe fides are ED, EF, &c. Divide 
each fide, as E D, , &c. into three equal parts, one of 
ug h is io I, FL, &e. and i in thefe’ bate ate igs ee 
to the agi of the outward figure, as TH1.D,-.&c.a ‘om: 
i Ce K, LM, ri ere 
pendicular to the “fides ED, EF, meeting the ag of de- 
‘fence in K, M, &c.. Or the flanks may be dra y con- 
a the line DI towards E, and taking IP equ a to tw 
figures, by draw 
-the feveral :parts. a proper berm o 
five feet broad, and ae a ditch about. five 7 fix yards 
wide, whofe outer line or. counterfcarp is- 
lel to the faces and curtins only. A fort thus conftruéted 
is. he capable of defence than one without flanks: for the 
nIG is defended by the flank IK; and the face 
H has fome defence from the part dG. Tn the 
asa der of triangular forts, (fig. 10.) inftead of mak- 
ing half baftions at the angles, ina ones .are Pie 
ta tue middle of the fides. “The gorges of thefe baf- 
- tions may be from twenty or twenty-four t siles, “when 
us figu 
fometimes in the rae a a Bee oe ofeecially ee they 
are fituated near a river, fea, or at the entrance of a harbour ; 
“by which figure they are able to fire at the fhips on all fides. 
Whena nie: isto be built on a neck of land. formed by the 
conflue of two rivers, or in the e'windings of a river, in 
order e prevent an enemy from tranfporting any thing ‘by 
-water, or to prevent their fhips pafling that way, the 
figure of a fort aa be adapted to the fituation, in fuch a 
-mmanner, that ther 
wet the reach of ele fire o ork orother; an 
-next to the land. fhould always be better fortified than the 
ether play near the river, as being more liable to an attack. 
There a | errors committed in the conftruc- 
‘be-—carefully guarded againt ; 
the parapet too low, fo that ita behind it = be fired 
fometimes made = ay, ears half. 
amay be forti 
ae iets 
lone to: ane 
e Forr Bar 
Sacha garrifoned by the aay 
to prevent the wood from takin 
~ er se is, leaving for iso or bettenve open behind, 
La 
or with ana of aoe it oe place i of any im 
portance: the eae fhould be fraifed, and ne ditch have 
a_rew of palifades See in the middle of it, if it be dry. 
In the conitru€tion o all forts, it fhould be remembered, 
that the figure of fesfett fides and baftions, that can proba- 
bly anf{wer the propofed fees is always to be preferred ; 
as works on fuch a plan are fooner executed, and with 
lefs expence : befides, fewer troops will ferve, and they are 
more readily bale epee in cafe of a ocr 
st ONSTRUC 
, Vitrified, 
ON. 
ftru€tures of a fingular kind, occur. 
ting jin ae Highlands and northern parts of Scotland, the 
wails of which feem to have been melted into a folid ma{s, 
mine 
ing in extent, e have fuppofe d, a presen ian to 
the number of cattle ares the ae had to protect, 
or the dependents he was obliged to accommodate, was 
furrounded with a high and {trong wall, the ftones of which 
were ssirrihed 
2 materials together ; 
others think that the econ is accide natal. 
Tytler, in his differtation, tae that thefe forts were . 
Zoman invafion, but before 
ritain 
s a geographical appellative in various 
" infbances fome of which we fhall-recite. 
Fort Amflerdam, a fortrefs of Africa, on the Gold 
coaft, near Little piglets whence: the EnglWh were exe 
pelled a pa ee in. 
NN. 
a ey ae See Ava us 
Forvr des 4utels, afort of Fa in te ecpeta of 
four miles N.W. of Cher 
adenciny a fort - A fries, on mi Gold cout, bes 
bedi a on on the fouth coaft . oe ifland of 
See Bac 
of America, in Geor 
Fort Barrington, a tow 
rgia 
the coaft the Atlantic ; 50, miles S.S.W. of eek 
U 
: 30’. W. long. 
Fort i Bay, a fort on ee fouthern extremity.o 
bay in lake Michigan, denominated by the French the « ae 
of 
