516 
Avack and one half of the 
Defence f make a sortie 
Small garrisons should never 
enemy's works, particularly during the night, and to- 
wards the head of the in order to prevent him 
i i A tone the covered way. If 
there i 
made on the covered way, it will be advan 
place a greater number of soldiers to defend it, as also 
to make small mines under the traverses, and even un- 
has to construct his 
hearths of mines should be 
the re-en 
; angle. If the ene- 
garrison cemyry by covered way, and 
one traverse to the a ead ae 
the mines are sprun y> 
the glacis. But if the enemy has 
isorderly manner, he is to be attacked, 
of arms, as well as some 
small guns will always most beneficially 
direct their fire upon the enemy, and be particularly 
useful in taking him in flank, or in firing at him when 
advancin 
Counter- 
anines. ways be 
If the enemy should not begin to mine, the ison 
must endeavour to spring theirs under some of his 
works, parti ly his batteries. This will retard not 
‘only his advancing from the third parallel, but also 
force him to commence mining. The most favourable 
to mine and to dig a well, 
ere oe ey eee 
di ing a mine w it. .This is as 
fen e can be discovered. athe 
How to de- e-near approach of the enemy’s mine some- 
werk danatios Setetied by yhickajiarieens: tu Oa Greend 
proach of | and scattering a few peas on its top. If the miner be 
near, his digging will communicate a tremulous 
motion to the drum, and of course to the peas. When 
prem r-edbealad epi yabaoe i Ve? Regs 
sprung. If the enemy’s well is discovered before the 
countermine is , the former may be filled with the 
“poisonous smoke of fire-balls. The miners ¢ al- 
wares Oe oes istols, to defend them- 
selves should they fall in wi Sinn of the tnieaiet In 
this case subterraneous fortifications will also be ne- 
cessary. 
If there be any small works in the saliant angle of 
in these. the covered way, they will keep the enemy at a cer- 
Hants of the tain distance as as they can be occupied, and 
on. therefore this is'done til he is vesdy to:aseatht it, anid 
even then they are not to ‘be left, unless it be found 
i ible to defend them. 
n avant-fossé that is full of water, is frequently of 
the enemy's 
mine. 
labour is u in constructing 
with water. great use, er fe par of the defence of fortress. The assault here P*™ 
Should the covered way be. 
’ where the water can be let in and out at 
to be, to make a sally after ing a mine, and to de- 
FORTIFICATION. 
i as as there are’ ‘to en= Attack and 
Syne ee ae oe So oe or es 
A second covert way, parti eee 
Se enemy sontirthass Whigary ‘irda detning er wage 
the enemy some ; it, care 
is to be taken that’ tt io not curpriaall wher oorate Sonnet o- 
way. 
should be directed principally 
induce the enemy to believe that many of the guns are 
enemy cov , and is 
endeavouring to construct his eheraoe to ef- 
fect his passage over the fossé, the that have been 
ed are to be opened upon him, and an unremit- 
ted fire kept up as long as they are fit for use. 
Such works as have sustained much i 
ways to be repaired with all possible di 
nance is to be planted behind them to be ready 
Pop team: pratt sr ph ew meeber nrtee rotor: 
will be necessary first to spri mines there, in or- 
der to throw him into conoahene and then to attack him 
and drive him back. i 
The defence of the fossé is the next most essential Defence of 
part ; but cannot be of long duration, for if the counter *% f0ss6- ~ 
scarp is lost, all is lost. Still, however, a'gun, or seves 
ral riflemen, will be of the use to hinder the — 
passage of the fossé ; and sallies’ also may be made if 
the ditch is dry. If the fossé be wet, fire-machines will 
be useful to set the fascines of the enemy on fire; and 
the 
enemy may be for a considerable time. Even 
when he thinks hi master of the fossé, his works 
be destroyed by a sudden inundation. The besieged al- 
ways Teuiin cinanemntarenomdaen 
their works, as confusion is likely to take place. In su 
circumstances too, a sally may be suce ; 
The defence of the outworks, after the has Defence of 
made a breach, is either on the top of the utworks 
breach, or from the work in its re-enteri mans + 
men, are to molest him constantly. are also to 
be sprung under his lodgement, or any work where he 
has constructed a an attack being always 
made upon him after every explosion. 
oe pg ner ee ema 
begins a subterraneous war, must be opposed as 
merly directed. — waits 
be tiled, A retool steven ethvtodtiios ' 
may be |, as we i i 
ps Me, and his miner be killed b : and shells 
thrown in the fossé, or by others hung before his well, 
and afterwards burst. ; . 
If, after the enemy has taken an outwork, he can be To 
again dislodged, ali endeavours must be used for that Meenemy: 
; and to effect this, the most probable appear 9 work. 
his communication over the 
