rag 3 
GUNSHOT 
will only be leffened ; and if, befides being. inferior, ‘and 
therefore incapable of itopping the Pavesi body, it alfo 
ope in direction, re line of motion 
will likewife be changed, and fly of rae the point at 
which it meets with fift in a line w form an 
le with that of the original direétion in which it moved. 
bee hevalier next reminds his reader, that the refiftance 
made by any fubftance to the motion of another will be 
greater or lefs, cateris paribus, as the angle of incidence ap- 
proaches to, or recedes from aright an angle; and if it be re- 
flee: the motion be continued in the fame medium, 
i angle of reflection will — be equal to the angle 
incidence 
A dey arama: Rove any medium of uniform denfity, 
on by the attraction of gravitation, fo as 
to be continually changing the direétion in which it moves ; 
and (contigues M. Cheval alier), if it move in vacuo, or in 
air, it will defcribe the curve called a parabola. The com- 
mencement of this curve does not take place at the pom 
npowder explodes ; for, within the b 
apne st 2 
Gunnery. 
in 
The lefs of the: sangre weer is left in-a‘thot fil rangement 
t. 
to be topped, or turned 
on of out y any ge eine 
new refiitance 
Aaa body. aGted.on at once by two will not move 
in the direétion of ei » but in the diagonal of a paralle- 
ptr of which two fides are formed by the direétion and 
momentum, given by each of thofe powers refpectively, fo 
every change of impulfe, or refiftance, will caufe the body 
to move in fo many chains of direction, —— 
momentum ile # Overcome and i it becomes quiefc uiefcent. — 
A contin 
Seok eaten: = 
a power, the 
ri Se = 
operation of which will caufe the motion to be curvilinear, 
the reafon of which is fufficiently explained by writers on 
fhot para iendhagtel AR 
WOUNDS. 
fity and powers of refiftance. And though (oosbieinigitie, 
feregotas author) a mathematical explication of the cattale- 
a ball cannot be given in many cafes, this arifes 
iow the want of data, the laws of matter bein fixed re 
immutable. But when the data are wn, as, for 1 
the velocity and direétion of the fhot, the pofition of the 
— or of the wounded part at the time of the accident, - 
the ftruéture of the parts 2, a much more 
sisi conjecture of the-courfe of the ball may 
be formed, than if thefe circumftances had not been ee 
garded. 
the tte: account, — M. Chevalier, we “may 
fee the reafon of the concuffion, or fhock which is given, in 
many inflances, to the- sabais fyftem by gunfhot wounds, and 
which is reprefented by the beit writers on this {abject to 
be often attended with grave and even alarming effeéts, ex. 
ane not only over the injured part, but a 
fyftem at. lar or, fays the precedin the 
a eieee bo. the-hnts is afforded, not only wag the texture of 
the injured part, but alfo in fome de he conneétion 
which this. has with other part 
do it fo much the se in pro pane as the 
of t e whol 
takes fudden poffeffion of the mind, 
uncertainty of the patient about 
his real ftate. Such apprehenfion the _ ats cou 
rage is not ——e able-to withftand. Treatife on 
Gunthot s, by Thomas Chevalier Yr. L. S. kee 
edit. 3,-part i. fee, Ts 
Gunfhot wounds are remarkably liable to be acnongnaeh 
with the lodgment of foreign bodies, which are ufually of 
kinds ;_firft, pieces of the clothes or. — —_ 
which the ball has forced before it into =~ —— 
condly, the ball itfelf ; and, thirdly, loofe fplinters 
The — a = ce = free from ceneeis bodies; 
unlefs th e firuck a naked part, touched no bonei 
and gone completly chiduch the limb. . Foreign bodies 
ey eons unds are a common caufe of numerous unfayour~ 
efpecially of fuch 
joint are ; | d, 
Memoires sores ok igen PAcaieni de = Chi are fome curious: 
Mig Se ey = one — : irs x oon 
