The sun. [volume] (New York [N.Y.]) 1833-1916, 1900-01-21
MIR. GARDENERS ELEcrRIC Gun.
A Revolutionary Invention In Artilisry
Which works All slight In the Model.

New Ia Jan. 10 Ii 5. Gardner OF
this city has invented an electric cannon when
NAV rryolutiuni,s warfare II u does all thh' us
inventor is inclined " cApe,tfromh hshastred
IA on a mail scale and II has worked most success
fully Theoretically. II Is all that cen bc desired:
and /, is SIMPLY a question whether II "hI prove
a practical success Several New YORK capitalists
listened g. Mr. Gardncr's explanation oi the idea
recently, and were 20 impressed thntthey Expressed
a Wiling ness " invest heavily In H. and a Russian
officer, 20 whom some Of tho plans were SHOWN
asked that the cannon should bs "
his government for experiments
In the cannon electricity instead OF an explosive
Is used TO prupel the prolcctile II IL srnokeless
and noiseless, and open az both ends: and as tho
amount Of the electric force can be regulated. tho
muzyls velocity Of the pruiect.le is under the con-
troll Of the gunner The cannon never gets not
and can be fired az fast as Il can be fed; indeed
two or three shots can be going through II at the
same time. Tits well 10 say here that MI Gardner
IL superintendent u the Gardner Motor Works In
,biscty. and is a scientist. electrician and inventor,
The principle Of the gun il simple II n tube ~
wound with insulated wire and an electric cur
rent is sent through the wire. magnetic attraction
is set I'D inside the tube, and small pieces OF iron
or steel may be drawn toward the centre This
Is a familiar experiment in physics II an iron
rod fitting the tube Is placed near Drawn
into the tube by the force OF the magnetism ms
cu,ysnt ia chi uI the instant the iron rod or pro
- --I.. A.. -. ., ,h. ,,hs Than 4,
lec"'e reaches vi" 'en"e VI "0
meets with no resistance beyond 'ae oehHe' ou'
darts ON Trough the tuhs II after passing through
..n. a. ,.oord ,rh. IN .b,ch ths sam,
on" 'hoe" eh'''S" WV" '"o. ~
process is repeated, itgains aiiitona' momentum
and IL /, masses through still another tube. all In
-~..L.t, ID. -. unn,,,,n can be increased
a sua'sn' hne' "'
until II acquires enormous speed
This IL the secret Of the Gardner gun. A line
,.I,,, r.nra,s farming . con-.
OF sho'' coNS VI no''" 49,, ''"
tinuous tube. and provided win a mecnnn'ca'
device for switching tho current on or Of each
-. a, s,ooa.,or co,s,i,u,a ,he cannon
maene' !" '"' -.
The switch il one OF the Chief features OF Inc In
yention. Il is patented by Mr.. Gardner, and he
.dr,ts ,bs, ,here ia A chance of Improvement
aunn'S 'Ho' "".' :" N -.
In this part of the cannon, nltnough me SWITCH
he uses works admirably with his small model.
r,--,.z. .a.,, ~, canaan 4, ne,aIy .
III i"".". ''"' y,
question OF the hunlbeT OF maEheN USED Inc
hrst magnet will give the prujectile a velocity Of
at,, t,,, . ..c,pd, ,ho ssco,d will inc, sase thi,
and the proIecole VIII go thfough a oaffrl con
tanning, say, twenty or thirty magnets. gaining
-IIn,',,i ,aloci,v and fo,ce with o., ch magnet,
o"ui''""' 49, '
until its speed equals that OF a shot nteu from
. cannon with a high explosive.
nv. .,,,.n,. =, ~. ,ryo,u,r N, C,,dno,
~ f' n..nar. H., =, 49,,