The Hartford herald. [volume] (Hartford, Ky.) 1875-1926, 1914-05-20
Mass OF Metal Move
Faster Than Sound
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rounded bY a SORT 81 kzlO. This
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besOTe the shell or any o. Tie gases
had rezehed the g1n's n.EzzIe. and
the hslO-like figure r. ezEs@d b. the
eOfnDresslOn % the air o@esgse u
the coming DrOlee;iIe- Another pho
tOzrzDh shows tie Drossctile Just
leaving The cloud Of smoke Tith
which II T. surrounded a. il leaves
the gun When il j. Understood
that this SrOjectile weighs half . ton
and viii reseh its destination ten
miles away IN Iess than half min
ute. the extraordinary seed Of the
camera ean be appreciated
Notwithstanding the size OF the
Droieetiie and tine speed 9TH which
It moves. and the spare over which
II travels. gun-pOinteF mo would
miss q moving target By -en yards
al a distance Of five mile would be
considered unit TO hold bis position.
Of cOurse. il is. rare for the gun
pointer 20 see the object at which
BE u shooting His instructions are 1
given 70 him over a telephone and 4
he sets his gun in accordance with I
the instructions.
The DrOiectiIe. when hurled by /
the mOytar into the air. rises TO
height Of four or five miles before |
II begins TO drop Imagine being /
hit by a half ton Of metal falling /
four miles, PrOjectiIes fired /
straight ahead by ordinary guns
sometimes skip after hitting the wa
Ter. like a rock. but their skips are /
mile or 20 apart.
The pressure OF the explosion IN /
the gun amounts 10 forty thousand |
pounds 20 the square inch. No en- /
CINE known can eyeE approximate
the force released By the explosion
Of this smoksless powder And the
heat generated Is enough 10 melt a
diamond. The gun barrels. to stand
such a strain. have 20 be made OF !
series Of concentric steel hoops. /
shrunk 80 that they II into one an
other " the outer steel Jackets OF
the guns were released. the inner
ones would blow thedseiyes TO
atoms because OF the reaction from
the compression by which, they are
held In place. No Wonder that a
ll-incb gun will stand no more than
40 rounds OF ammunition before II
has 10 be retired