GUN 
into {maller pieces of about a pound and a half each, with 
aces, and almoft even fracture. The ftrokes ‘fhould 
be soars left the mafs cracx and fplit in the wrong 
"4 beeper no 
To ‘cleave or chip the flint.—The principal operation is 
to flit the flint well, or to chip off feales of the length, thick- 
nefs, and fhape a adapted, to be afterwards gone’ into 
gun-fiints. In this part the greateit degree of addref 
certainty of manipulation are required. The fracture of the 
flint is not confined to any particular dire@tion ; 3 it may 
chipped in all parts with equal facility. 
The workman holds the piece of flint in his left hand, 
net fappaiieds and {trikes with the pointed hammer, No. 2, 
on the edges of the great planes produced by the firft break - 
ing,, by which means t e white coating of the flint is 6 
moved in the form of final {cales, and the mafs of 
itfelf laid bare in the manner — 3; after 
which he continues to chip off fimilar fealy portions fear 
Ae 
conftitute nearly the the ubfe quent pieces ; an 
es alone as have their bay thus es aced in the 
middle are fit to be made into gun is manner 
workman continues to {plit or chip the Se of flint in 
ous directions, until the defeéts ufually found in the in- 
tiioe a rene it impoffible to make the fraCtures required, or 
until the piece is reduced too much to receive the {mall blows 
by which the oe: is divided. 
= ee: 
Ww h is impelled againft the hammer of the lock of the 
in: it is called by the French méche, Its width fhould 
e _two to three-twelfths of an-inch: it it were 
adly. The fides, 
_— 
3 
o 
@* 
s 
pec 
o 
Gu 
09 
% 
= 
P= ad 
sthly. The eat face. 
fquare facet between the tapering e and the back, 
which receives the upper claw of = cock it is fligh 
concave. The Frenc ris for it i 
In order to fafhion the flint, Ginfe Sales 4 are feleGted that 
have at leaft one of the above-mentioned longitudinal ridges : 
the workman fixes on one of the two tapering borders to 
form the ftriking edge; after which; - — fides of the 
ftone that are to form well as the part 
which is to‘form the back, are fascesh oaks shina on the edge 
of the chiffel in fuch a manner, that the con greedy ner cn 
i hand, is 
tool. He then, with ae hen s ap. 
plies fome eoet to the = juft oppofite the edge of 
this chiffel andeort ; by which means the flint breaks ex- 
Sort oral the chiffe 1. te 
ort procefs 
; this is done 
ed , 
end on the Loren in which fedetion ie se “by five 
or fix fligh t ftrokes with the roulette. ‘his is termed 
sf by i French workmen, 
& 
“segs hae different parts may be dif- 
GUN 
The whole operation of making a gun-flint is performed 
in lefs than one minute. od workman is able to manu- 
can fafhion 500 gun-flints in a day ; fo that in the fpace of 
three days he is ne to cleave and finifh a thoufand ‘gua 
flints without farther affiftance. 
This work leaves a great quantity of — for fcatcaly 
more than half of the ca arly half the 
Ss are goo 
r then a Tne, which paffes from that at eit in the bale 
grees, ut 
curvated than it would otherwife be, and diminith its = range ; 
and the fmaller the fhot, the greater would be the diminu- 
tion. 
elevation correfponding in different pieces to Sarai: dif 
tances, and will fave - labour of computatio 
A@ual Range Angle of Elevation. es 
in Yards. : ; 
: (24 ib /12 ih) 9 th | 6 th] 3 
T4004" 1214 30°14 45 15 OF ST 
F200". “13° 26: 1g 4013 “50 14° O14 “307 
1000" - (2 Ay i254 1g Og 7 19 SOT 
800 2 62 “40's 8g ls 2048 SE, 
Goo }F '30 fr 3215 gq [x 36 | eT 
500 tM ER Ee Oe re ag i ig i ee 
a teeth WORE bs GST hee | Mani > gi clan ‘ae 2 
300 43} 43 43} 4a) AA 
200 273|° 283° 234] 283) 29%) 
— age gy Se 
7 BY 
er operae 
ollowing table will ferve to thew the angles es of : 
