The Meeker herald., 1916-05-13
TESTING A SHELL.
0rdeaIs Through Which a Big Gun
Missile Must Pass.
THE SOFT NOSE pRolLcTILE.

u.. A-r p,... vv,I,on. nx,Iod
ny
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Everybody knows TINT the modern
shell Is one of the most dlulyUllcuI of
mans inventions, bnt how many Of us
realize that 1t IL also one Of the most
delicate and compllcutedt
Rccently some firms holding col,
tracts for making high explosive shells
took mon themselves to correct" II
detail in the specification, and. us u re-
sult certain thread WINS "improyeti..
rbov vii, never do ANYTHING Of TN.
k,ni ,ouin hecause all their work WINS
roIoc,od The annarent nbsu,dIty-it
i. l., foe, nm absolute absurdity from
mn ano,noaring no,nt NJ v,ew-ts do
si,,ad n, set n,,rnose
.r,,ara T., so,nou,ho. .,,,,.r ,ron
.,, In Nh. hi, .he,I sor nenetratinp
$50 ,,,.t,rn which woe Introduced
In conseouence of an accident one
H., 90. hi, NJ. A., ~ a ,,,.co ~
a -. ' ,,,a.,nn ,ro,- En- so,, si,e md
.,,'' ,,u,i,aa,,,e 49,, nIoon ,hrouch i,
,,.,.a 80 ,,,n.o, ,,,,,.ro,. :.
anu g.. -. ~. -.
", sn .s'na.", Ia ,h..
."e ."'u wv, ~. $500 -, ,n,r n
e,e. anu '''' an
Nv. M ,"e" -. ,,,
inis u", ih'iuen. sc. 49,,
th'nkine' anu III cohseq"e".e 'ne n's"
eAl"'Si'e aii"o' sn ~ ~"
sNen so'' hose ~ VI. "",. ~,
".'"ene" cup Vi so'' .nH'' VIZ"
"hich huu,,'oh y WIN 20 ,n."usu .,. IN.
,oushes' I'e.e VI aflnol p'a.e WI" I'm
~, m"pieiiS w .'np".t s y. 's
Tue cup sp'.""e' no'uns .ne i' 81"
30 enous ''-1 ,',' ."a. ' '.'. '"s.
80.
"nn'"Ae '"io"s" .us nu .n '
P,"'e ny SUI. Vi uo'hs u.''o.
~ 'ss s"iious 10 noe, .".. w"
.e.h'h' .'ie points VI suen I.o,e. ~.
AFTER Tue menus nave Dec'' "o'Neu W"
s"e''s "re 'e't ior "eess oeio'e lnes
e's" 'he "eA' s'"se' uesau:e' s'."'e
us .ney 'ooh. ,he! are iN1o'e " snap.
why ihink Oh 'he ra~or. Sons''h'
H"opp"s ,"S.S ,he sfa,' WIN '"e w.
SUIT 'iiat .he steer sets ireu "ho WIZ
mo' y,e'' Aee" eusc' nut "" ~"
tue 'ni"H h"hy ior ie" WEEKS Tue
s'aih VIII return u 'ts horna' sta'e'
ana you can get SATISFACTORY shave.
IN similar way the gram OF tue steer
IL ahected ny worRing' though OF course
10 huch grehter extent anu untii II IN
e. the makers must go cautious'y.
steer SHOWS IKE eccehtricity IN the
making OF test gauges. some OF the
measurements OF sneis are very nne.
anu tue Instruments employed are 80
delicate mat they nave to Oe used
quickly lest the neat OF the hand causes
the metal to expand.
now. when n groove Is cut In piece
OF steel which IL to be used ms test
gauge the work IL laid aside for weeks.
perhaps months. why nc! finish 1t ut
once! because the groove. though dead
true when cut out, may be otherwise IN
snort time. even though 1t has been
absolutely untouched.
As concrete proof OF the elaborate
nature of projectile making take the
case or the sErapnei shell. The steel
portion undergoes about score Of op-
erations. and the brass cartridge case
attached to the base requires about six
teen. counting from the disk Of sheet
brass to the finished article. Then
there Is the fuse. the delicacy Of which
resembles matchmaking.
Altogether the shell is subjected to
about forty inspections and may be re-
1ectel at any stage.
After shell has survived this ordeal
1t ought to be, one would think. per
feet. but test shell Is taken from