, 1875-09-29
INDISPENSABLE IRON,
Used by tho Corrugated Iron Com
pany to Make tho Best Of
Fire.Proof Shutters
and Doors.
Also In The Construction Of tho Eureka
WEoug!lt-lron fsritlgc---An In
vcntlon Of tho Utmost
Importance.

onc of she mott important lesnona Of our
great tfa OF 1871 was that Which eAowod tle ab-
solo1o necessity Tor iron shutters to tho windows
of Quilting iu order to make II nro-proof.
AoWoVor solldly and Ecc,re4y building may
taVo boon c1cc:ed, nnlosH II waH rroysled with
adequate protection from without Ly ttcans of
ahnttors whose nte.resisttns qualities werc mont
perfect It was liable to destruction M huroly as
tie neighhorng structure co!iporod entirely or
in part Of wood. Many tiuo bo4inose-blocks
wero CONSUMED which, had their oaners pro-
vided ulern With Iron shutters, would lays lecn
saved. Tho lesson. as every body kuows, has
not been thrown away OF our buli!ers and prop
essy-owners for ncsrly oil the tsBt.c!ass build
ines Of Chicago to-day arc prorided With iron
Bhutttr7.
Our object in calling attention - tl!ia fact La
to administer word of caution to certain par
ties nho are reckless III building, and who in tho
lace OF fact9. ana Regardless of tbs unanimous
c4rroahlon OF al! our leading architects and ca,i-
tai!st8, frequently place IN tlrr building shut
sers whose iiro-rcs;Ht,ng qualities nve hsl!o it
any bettor tllan wood. The1o cannot DO n aues-
tiun rasod III to tho superiority Of iron BIutsers
ard ssoors malo with %entilatinY air passages
from hnnBon's p:tent BY tho Corrugated lion
Company OVER all others. They ara used on
neAfjy Ill tt:e Lest bu1Edihcs 0f Chie:go, aud
have received the most e1ssa7egat7. rraisca from
who have heaa ten toH.td, The ha.!l, may be
ea1d Of Tho 'ncta! sEnglea aud iro.! rootiug. wch
tie reader may cSataiiie nnd test a. any time by
calling at tho wareroornB Of tue COMPANY, Nos,
215 and Ut Lake atreot.
III this connection We should call attention to
the fRct TINT tho Corrugated Iron CoInpany's
shustors nro constructed NJ ~ to open bo;u III
tiIe nnl ons. snc1 wAs not tho caee with Tho
iron ehtttera Gu tho building Nos. IS and 90
South Water street. which, Mas greatly inini ed
by hto last Tuesday ulgLt. .tIle? cunll ouly be
opened from tho inside tlle fiEe,ncn nero great
y iucoarnodod thereby. and tic flames got tcr71-
bic iIea'iway.
Tho Corrugated iron Compnn3 il All equally
noted fof its "roaghtiton bridges M ior III ,s,1-
tlyaed fire-proof doors End hhuttera vas
Eurota br1ago IL PRONOUNCED by all judges of
brldge-buslulng sl,er'or In . s:u 70 aEi oth.r
badge" tnsue. II Is recop: iu7eutlo,,. hut. ul-
though tho Company hab no: bcoa long en:asel
in their construction. thug havo Gsinoi
Widespread no.cf!cty. This bridge FossetssA
qualities Tint rec Ia1raond it ~ d most
economical and substantial ono either for
highway or inilEoad 11ip-scs, aud nach az
oil parties having Interest in Lr1dGe-cotl-tructou
would 10 veil to investigate. Its simplicity
aud fraattom from all tendency to.aFd Gun lien
sion OF strains on any pa,t Of tho metal used are
points too prominent to DO overlooked III sa
bridge has Dcen scc;lred perfect equalization or
contraction sud or AusioD. III vel! US attr1 OF
attnoaphcrc pressure. TLo makir1um strength
Of eli tic metal used remA!ns Nhen the brt:ee il
completed. none being ioat in tho lutrodue:;on
OF riEcts, scErws. OF rhott bots, tllorchy asod-
ing al HhosrlnE OF cu.InG Tendencies 30 cuI-
nlnn IN bridges now III use. In tho appeuIlri,
Of trackH AID roaaways the bridge tut1era no o.H
Of poxer. but renlly gains by tbs 1nauurr III
which that object il accomplished. Al! tarls arc
FREQ OF access for purposes Vi painting OF c.aui.-
nai1on. AID no fracture can DO conceded t11m
exposure.
lilo Lrideo il Of ,uo arcl, or boustr;rr rt,l.
and built entirely OF solid round leon ru4s Vi ~:
given HiZe OF lumber, 2n1 tl1nlf: secured vii,