New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1904-05-08

when he gets above the fifth floor Then there are
few Of the diversified trades represented in the
the responsibility and destroying homogeneity.
Under the -Hecla system" on the other hand there
responsibility that furnishes perfect protection to
the steel columns and beams against the hercest
partitions. absolutely freproof doors and trims ee-
flame defying stairways. the whole covered by
ineombustible roofing This is the Heela system
Hecla material have been proved beyond peradvent-
nTe among other Ways by series OF th0 OF
chanical engineering. Columbia University. and
haustive ordeal In one Of these tests a sample
one foot square and three and one-quarter inches
beginning at 600 degrees Fahrenheit rising to 100
for thrtyhve minutes. then rapidly raised and kept
FOR fifteen minutes at 2,4S5 degrees Fahrenheit and
hours, To measure the heat conductivty of the
material thermometer was placed on the side OF
temperature due TO the transfer OF heat through
the end Of the test when the sample was removed
from the fire and the red hot portion placed under
material was washed away by the force OF the
water. Notwithstanding the terrifc and prolonged
heat, only seven-eghths OF inch of the ma
the iron supports Of the sample Mere almost com,
Petey melted away Too much stress eannot be
brought 10 notice by this test-namey. the phenom
the Heca slab while the front was being subjected
20 this intense heat 1t proved Itself TO be true
protection Of steel columns. IL is not enough for
disastrous fires at Baltimore and Rochester show
that tho so-called hreproohug in many cases
ing as sort OF thermal sieve permitting the heat
70 pass through the steel columns they We're de-
columns endured the fun severity Of the heat.
eatkn AND AND hsSr d hs &o @
e0Uerhs to be meFGe ap nS
msters by tbe 6ub nverst ys tests proved
itself be. Professor Ira WOOlaOn summed up his
report upon the series OF tests with the following:
in building where this material used It would
dn a;St 3n afST al b 5h
It is hard 70 imagine an Endorsement that could
ps SnG S' clearly Shows that is
10 the interest OF the architect and the property
owner 20 investigate the virtues and capabilities OF
Briefly stated the Hecla material can he applied
for. In many directions II can take the place or
tinct advantages over brIckwork or Iath and
plaster II forms superior roofing As sunsil1
treatment with facility without auy special train
cerned 1t can be readily cut and lifted the most
eccentricany shaped flooring ana me most ewk"atd
IoT taGas nHoU II n desired on the other hand
should an extremely hard wearing surface be re-
CURED. this can be produced 10 degree that VIII
the uses 70 Which Iecf material s /, may nay
permanent inner parts OF a structure.
FIREPROOF PARTITIONS.
In a freproof building the question OF partitions
is an important regards interior fires for II
is clear that II flames get the upper hand in room
and consume the contents. they can do no further
damage IL the walls able 10 resist their further
spread and this tho Hecla material viii do. Moth
ing better can be used for PARTITION 1t can be
left rough for plasterng, II desired in which case
neither Turing lathing IS necessary, which
means n great saving OF both space and expense;
The partitions be papered otherwise treated
10 harmonic with the furnishing Of the apartment,
or they can be had with a finished surface. re-
sembling a high grade OF marble Their structural
strength is such that they require no auxiliary sup
port. - - z-
The Heca system provides the most beautiful
hreproof doors. suitable TOT either private resiaenGe
Albright Art Gallery, IN Buffalo y. Y. recognize
the force Of Architect Posts statement regarding
the absolute necessity for hreproOf doors. The
Hecla Company shipping the last Of thirty
six doors as protection the priceless
ures contained in this famous gallery. They
all OF the sliding pattern. and In three sizes
l2xs feet Sx3e feet and Sx36 feet.