New-York tribune., 1902-02-16
.r 4pppnrEn rLREPROOF SYSTEM

n .bs aavs moi long passed. when one visited the
scene Of A conhagratiou. after IRE had lald vase
district what did he md left! BlacAehea ana
crumbllng walls and, within them pied he''er'
.kelter distorted beams. useless remnants OF uh
roofing bent and twisted. and a mass OF deofis-
mart masonry, part mortar, part ashes-oe4e''''
which lay buried ruined machinery and perhaps
the Office safe. or (alas. TOO often) some shasu!'
bIdeous thing that once a promising business
man a gallant fireman, tender woman OF niue
child OF the floors, not a vestiSe remaining uo'
% ma eRogSh ts sare @ s1fs dHsoR Had these doors held
machinery treasure and the ne that - ,to tLcts
doom: II in the building where the hre origiaatfd
It might have readily 9een haava escaped IN
sPresadihS IPat5ed '"e'A'' -,
This proves the necesslty, which the city ordl
nances proclaim and the Buildings Department en-
forces. that floors shall now ne 0L IsptISoiI I G
permits after subjection to tests the seyerest n+S:
stood these searching more successfully Lhan
those constructed under the Rapp John w Rapp stS
in Philadelphia. Washington. Boston and BunaIo)
system. as the department reS9gGS d SSscrpton of
these doors which are fashioned in nat" arch
"sa sesmentai brick arch as we'll The component
parts OF the Rapp system eonoh no 'e arv sd
forth in Mr. Rlpps business literature, steel Is
b2s Sfd s 9d beMeen 2 lHf these ana endsr ana
concrete routed and tamped over 70 tne neceSSaEs ~
up II is asserted, the strongest weight sus-
ieast 5asfrI the said Fe for them the cheapest
floors They are quickly put in. the moment
rs are cut TO order (and coated With asphalt pant
at the factory and the @ ns 5eHe r. E'9 pT'H po Hl
ference with other contractors for the floor has not
to be gone over to take out 'centers' system
has none-so expense and delay alike are saved
oa5Tv With them ther precious freight Of merchan-
disc, machinery, or human life, down INTO hells ol
there vet remained the necessity for some means OF
preventing the spread Of IRE oyer the floor and be
proof partition met. supposed. after passing
the seSf 5oc 20 h1 feS @ 6Hs 9a
IS II was Kept intact; perGe II IoT doors ana @ WIN
nues for light and ventilation are Indispensable.
denrivCd Of srpport n would fan apart and sse
to nterpose barrier 70 the danes .,
over what seemed an insurmountable difficulty In
b soii3tt oT fbs ti 4i la %
meets the practical requirements and preserves the
lucid exnisnations "a fifS door need no longer he
door has aiways BEEN HIs method CSf "thor6ughV
and properly covering a wooden door with metalO
renders II even more surely proof against fire.
and allow FIRE TO break through. while il is amena
the metal and car6onizes the surface OF the wood
DO ns deP S aona o efnh br ri an % eTe 6e
flames ana the latter. The method is combination
of stamped and drawn tmctaD work the main body
of the door or shutter being stamped with no Joints
S b If 3? rednsd [G While ana %
strips mouldinss and trim are covered by drawing
the metal over the wood 70 secure close fit. and
bring out the bead OF the two last This metal cover
he worked up to simulate bronze anv other metal
The possibilities for decorative purposes are prac-
ticay exhaustess. Even transoms windows-their
panes being OF wire glass which will stand 200 de
erees tahrenheit-and frames. thus protected. are
hreproof. And all this cheap as doors windows
and trim of oak, mahogany rosewood. in quan-
titles.
Since Air Ramp introduced his patented system
some three or four years ago he has done many OF
the finest buildings In the country. such as those
OF the Real Estate Trust. and the North American
of Philadelphia, and the Atlantic Mutual corner
Wall and William sts.). OF New York As the latter
IS eighteen stories high. and has nine hundred win
doWs, the magnitude OF the undertaking Is manifest
The Rapp complete system OF hreproof construc-
tion embraces besides the foregoing wire lath par
utons. patent dumbwaiter DOORS fire doors and