The sun. [volume] (New York [N.Y.]) 1833-1916, 1892-07-06
mon lxrLosIr, IN poyDEn er,s
DIR. Ju-ttn'a Experiment. aud ,hr N.-,. -
Emmennlir. Mrlin q - 4 -

| tmmehsNr hrtin' Q. I'D Icrh.itr
| WASHINGTON July with full acknowIesr.
mcnts OF shortcomings and allowances for
drawbacks. the recent trials 81 the Justin rro.
| 'ec'ii" must DC pronounced, as Tar AS they
| went. n success.
This means great deal Of course, not op,v
for the inventor but for the art Of warfare ma
| especially tor the defensive prcraratlons n,
| the United States. DR.. Justin's failures bsI
| been repeated. and m!sht welt have Lccn dis
heRrtcning. but he hold to his purpose n,
can now uso tho very largo charge cf thirty-
| four pounds OF explosive In the shells of ordi.
nary cannon. fired with charges OF ordinary
! powder This. OF course. is n quantity far
smaller than the tremendous masses Of gun
| cotton. dynamite. or other high explosives
| employed In torncdccs. submarine or aerial
| hut II has tho advantage Of greater range and
| velocity III place Of tho slow. mortur.ike
| discharge of the pneumatic tube, which makcs
accuracy less attainahc. especially when used
| on shiphuard. and risks q ve> els change OF
| position before tho shot arrives. We find this
new weapon capable Of ordinary horizontal
| shell firing.
| The limited range. also. OF torrcdoes aud
pneumatic tubes exposes the vessels that carry
them 10 II heavy fire from long-range guns be-
fore their missiles can be used. Above all. while
the explosion OF great quantities OF dynamite
on simple contact may have a tremendous
effect yet the advantage OF penetrating armor
before tho explosion occurs. which can be
| done with tho Justin proicctie. is very great
Enormously moro powerful rs nre tho high
explosives. some are less sensitive to eXplo-
sion by conclusion than ordinary gunpowier:
and this is true cf the explosive grlatine COM
pound used by Justin in the late eXperi-
OF tho various shots with the small gun. q
So.roun!er ,farrott. which hal q pr2ie!ling
significant WAS that one In which shell per-
f2rated u steel plate iivc-eighths OF an inch
before exploding in the mound OF earth be-.
hind. But tho firing with tho big BlaEeiv was
pounds or more oi explosive geiatine prone led
by thirty pounds Of brown rrismatic powder
can be fred without premature exp oson.
The penetration was not com lete in the latter
plates. with three feet Of wood backing. But the
hacking WIS torn us well rs the steel. showing
TIN hert ho 6G93 a peroatSn Of the after
be seen whether these proiectiles can be used
| in high power. brcech load ng rifles.
This is not the only direction T. which such
eeXperinen,s are going on in this country. JUS
powder from acting with too much VIOLENCE on
the shell lest 1t should hurst before leaving the
at, before he turned off t. the opposite course.
tnat 81 e~poyfG p9SSe, for the
Ing the same end is that OF pr1eu.ing r. aiTh
explosive which will Mt .Yl !2de in the a., OF
nrlnS. 1T Is believed that both our entErlr!s-
ing Bureau OF Naval Ordnance and the ord
nance and Fertilization Board vi! reach this
result. The latter. some. tine sx,. D.t@:ed
large number OF I-inch shells '1- s.-t +Iperi-
ments while the navy eIps-s hare Already
shown that I'm N ensits l. sgrs! tlgh ertlo-
sive. rifle tail car he fred tt-p.E.. mass
OF It WITHOUT IrooucrE a. tEi'osi,'.-, and it
before exploding. N- aisy b.b' q r. e.ican.
lite as an explosive Winch "tuI',.f TO- same
atiityto resist s2uIle ronuIssigi. a. sill
another is t@rr0-itt-
Why should LOT Funh rFRutte l.. -s.,hed
here. whar they iGre tGuii!iEF Il F-.rpe?
Sfersch. has a. tcIipH'vs n,u-t t-.itl tive
than cynsro'tf, End blEt""r rul:utr p e. 10 an
S's-in III sat.t CID Dt Buts,' i",'t -. @ g pow
der E-r- Sucl shell nat 'nr- sent
through shTs'-G. INCHES ~ Ht..r nt.'s.e aIrlO-
sion. frapeE iEs lazy mtliuiu. VIZ \ ~ only
proof aga: Ls. r''Tcustlul'--iI lJt. = m ed
into the th=- VT muller. ''rDn .a5l'-t cIns
shells cor.t -a,c rv.llrr-tr" ulll u. h&ye
been a-Ai I..c a. tri-iE TatTGi-' u .L,g isar
per second = cv---c L,.E %ln r'.t,liiI, I,t.E.eo
charges q! S.-tE- vt'-t ut'.t. vuli. run y -
been fr-d with T+s.':.-r ~ g.ail S+.r. y-t
others con.A!r!1E III ;:-itG WI Velocity
OF $50 M='!nite has as; ftt-' trt,. fa-1EEh
several inches Of Az r.'s5'.. *; ting.
exert when is s.sy.Lsl siCA.acgcs for the pur-
pose had been sppTl.et- sreten has bellite:
still other high explosives. such as roturte
and hellofte. that can be fired from powder
guns.
Justin's device is interesting as dealing with
the problem OF the proiectile rather than OF the
powder. but the two can he combine and it
the shells Of powder guns will be accom-
piished.