The New York herald., 1871-10-20

ANOTHER EXPLOSIVE COMPOUND.

Nitrr.Giyc eriue eNowhere-1utcrestinx Ex peri
uents with the New Blasting AGENTS Ter
rife Force Combined with snfety.
series Of interesting experiments with a re.
Gently discovered explosive compound, called
''dualin.n were made yesterday on section Of the
New York and Boston Railroad, near Tarry town,
Westchester county. The various tests Instituted
for the purpose OF evolving the properties
of TINS latest chemical achievement and its relative
force as compared with gunpowder were con-
Quoted under the direction OF Mr.. A. G. Rand IRE
presenting the Lanin Rand Powder Company,
OF New York;, In presence OF several gen.
temeu, who included among their num-
Der representatives from the iron mining
districts OF Pennsylvania and some prominent
railroad contractors. AS q result OF the numerous
and vaned tests which were applied 1t was appar'
ent that the blasting agent named possesses all
the terrific force OF nitrogycerine. while denuded
Of the highly dangerous properties which have rem
dered the latter so fearfuly destructive to human
life.
In order to demonstrate the non-exposfve nature
or the com pound indicated without the aid OF q
fuimnator keg packed with the material was
surface. The conclusion produced no more
fnec' the kea '" been ie filed with with common eartn
As an evidence OF its extraordinary utility IN
submarine Work broken package was thrown
careiessly into pond OF water, aud sunk with the
aid OF large stone, having frsl been coneGted by
oa befns EXPLODED with tremendous
almost Completely lifting the entire BODY OF water
into the air and tearing. away the earth ior ds-
age, age containing hot more than hall boahd q
Tue "dualin," mad been deposited. SIM.
lar quantity. when placed on the surface face
or al immense boulder, having been nrst
covered with q little earth, was exploded with the
Illuminating cap by electricity, blowing tne ada
mantine rock to atoms moderate charge Of pow
der tamped into q hole SIX inches deep had pre-
viousy blown out without anecung ,ne s0Iiaiy ~
OF the stone. Other satisfactory expert
ens ssa Of he e u.n as Compared %n
powder was fully proved by placing an ounce OF the
iaIie er in a mortar loaded with ball weighing over
fifty pounds on the charge being fired the ball
more than twenty -nve feet. An ounce OF 'dualln"
was then carefully weighed and placed In the mortar
underneath the ball. Tue battery having been ap-
piled the iron missile was sent nying toward the
clouds, reaching an attiLuue OF NJ least iOur nun-
dred feet. ,,,
vegetable matter, and IS remarkably ngne SUD
stance. on coming In contact with fire, whether
the quantity OF 'dualln" he large or small,
It Durns rapidly, with fierce name, evincing no
explosive features whatever. A box hilcd with the
ignlied, passed on In volume OF name, leaving
the receptacle almost intact.
An object Of much interest to those pres
ent was. powerful dr, which can be
air. Tns wonderful machine is capable Of
drilling hole five inches IN diameter In the hard
est rock AT the rate OF eight feet per hour An I'M.
portant feature OF this machine Is The 'air cushion,
which takes the recoil OF the blow struck against
the rock, thus avoiding the terrible wear oil the
mechanism developed in the use Of other percussion
drilling machines With such agents as .'dualin''
and the drill alluded TO the removal Of rock cannot
fail 10 be materially facilitated.