Deseret evening news. [volume] (Great Salt Lake City [Utah]) 1867-1920, 1895-06-18
THE MODERN SAFE.
AN UP TO DATE FlRePRooF Ahn
BURGLAR PROOF DEPOSITORY

fhlltfui workmanship Dspleyeo IN ="
n,.n,,,.,u,.-Ioohsw with simple Mech.
.ni.m That Are Extremely Hard to op'i
uyou Dent Know now.
The latest burglar proof safes Mio
yaults are magnificent specimens o'
slillful workmanship. Although th'
doors often weigh tons, they swing a
easily on their hinges window shut
tar After the first great door is thrown
back and displays its glittcring array OF
,ripht locks, it, glass incascd clock
and It's smooth steel bolts there is an
other door almost rs strous, with boie
and locks of It's own. When this Ia open
a. reyeals throe other doors The uppoi |
two are Of thin steel aud have no locks
Only rapcrs aud books arc to I've kept III
the little pockets or pigconholcs when
they inclose. =. -,
Sndor them and shutting in the cash
drawer there il tho third door with MS
own lock and bolts In this safe the
size OF the cash repository bears about
the same relation 10 the sizo oil the
whole safe ~ pumpkin seed uoes 10
tho pumplin. And IL il not only burglar
proof hut flreproof-warrantcd, In fact,
10 stand for at least 10 hours tho great
est amount Of heat that any baihihs
building could give 1t. 49,.
The making Of safe 81 this ANA "
n complicated and expensive operation,
All the steel used comes in tho form Oh
mates from tho works After having
the necessary screw holes bored IN thom
thew arc heated 10 a high temperature
and then tempered by suddenly miners
ing them in water. When they como out
thew are often q little twisted and
warned. and have 10 he rolled cold and
so,netimcs polished clean by swiftly
moving emery wheel Tho noise Of tins
operation il ear splitting and 10 rasping
that man with ordinary nerves can
hardly endure H. When the plate is per
fectly level IL Ia transferred TO another
machine, whore II il clamped tight, and
nm emery wheel shayes OF the odEos
The plates nre now put together, iirs'
one of hard steel, then one Of wrought
iron or soft steel, aud No ON until TN
Necessary thickness il obtained. From
,ba iron tho safe receives It's tcnnciou
qualitios-it cannot bo cracked or pro
ken as easily ~ steel, and the steel in
parts a hardness that deiies tho burglar
drill The screws are also mndo Of com
bined steel and iron. Each OF them ]
only long enough TO rcnch through wv
plates, and the Screws which join IN
third, fourth and fifth plates to the hr'
arc mover directly under any oth'
screws, 40 that there IL no chance for
burglar 20 bore down through row
screws. Tho plates arc also drawn yer
close together, for II any space was lie
betveen them u snfo blower might su
coed In getting his dynamite into H.
Between the interior and cXteri
walls Of tho saio largo amount OF b
draulio cement, combined with other
gredicnts, usually according to scci
recipe, is packed solidly. In case Of .
the theory is that the water IN tn"
mont-abont 80 per ccnt-will, owl
70 the heat Of the outside covering,
some steam, partially, ut least, and
driven close TO the inner wall Her,
will remain aud furnish blanket !
peryious 20 heat All the bolts are cyl
irical and from an inch up to two inc
In diameter.
Combination locks are now used
slusiyely. The mechanism Of most
them is extremely simple. In one
there arc number Of round brass di
or "tumhlers, " each piyoted ut tho G
Ter on a small shaft which runs thro'
the safe door and connects with the
knob Each tumbler has II slit IN It
the sizo Of the steel arm which cont
tho bolts and reaching nearly bacI
the center. When all these Sits ART
gether and pointing In exactly the n
direction the arm slips into them
the bolts can bo thrown But II tho
in u single one IL the tumbleS Is
n thousandth Of an inch out ~ line
arm will not slip back. The disks
set short distance apart and n
screws with big heads nro fastonc
random over them. As these strik
aether In turning the tumblcrs W
and man might turn tho lock kn
thousand years without once getting
slits In all the tumblcrs together.
the man who knows Just how I
turn one way and then how far
again according TO tho combination
bers has no trouble nc all,
The combination and numbers ar
fly changed by changing the sero'
the disk Many Of tho best safe
vaults are now being provided
time locks Two and sometimes
clocks are inclosed In glass cases "
side Of tho safe door When the d
locked. NO ono can open It again
the clock hands have travelled I
distance around tho dial and touC
little trigger which releases the
More than one clock Is used, 30