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EVENING PUBLIC IiEDGERr-PHIL'ADELPHIA, WEDNESDAY, JANUARY 19, 1921
13
THREE SURFACES
FOR AUTO ROADS
. . . -
A.hnlt. Brick ana uoncroto
i fi3Mi"'
Thus Far Only Onos Worth
Consideration
it ..Anrrete nlftb road, about right
Inches thick and of n uniform depth
cross the rood, perhaps with tin In-
crenMtl thlekncsi integral supporting
(urb-blofk on ma cnnen mmm mm-
ions ' t,ic ,y,, of rnl"' tlmt anou,l
!, built in this country." miM William
t- William", in discussing "Highway
lioiii OwMruMion" at ,hc 1nunl mect-
Inf at the Society oi AUiorauuve r.ngi-
ntf
..n.i. thrii rend surfaces lime given
Utisfactlon for automobile traffic." do
.(.ml Mr. Williams, "naplinlt. brick
,nd concrete slabs. Thus far the con
crete alnb surface Is the only one worthy
f consideration for mtcn iratne.
i.Monw nconlc think that that the
.jk should bo clastic and that the
L.phatt and brick surfaces furnish elas
tic renditions, tfxpeneno nns proven
hit n asphalt surface will not stand
hcecoiuM nearer to the durability
tl the COOCrCIO nuu buuuic man o
P .!.' ivnil.me nnlntnl mil tlint the
iJe' that n asphalt surface 1h necessary
(or the riding qualities and pre nervation
if the vehicle, Is on old one. It ha been
.' .1 i . ,n inllrnntl servipe nttil lit
Liter lines, with the result that the
HMtlClty m u ruatiireu io.uuhu w n.b
tten a rolidakcn Idea. The bent roadbed
Is in absolutely solid one with as
itraleht a surface as can be obtained.
"The roail aurioce, nrcisiicu ,ur,
Williams, "should be aa nearly rigid as
:. i. tvMitible to make it. It Is a mix-
i.i. inntff n rnnil Miirfoeo whleh 1h
tipeetcd to bend tinder the movement of
traffic even in im- hum unu amuum
that Is preventable, for in this way the
rend Is destroyed. "
ifc asserted that the asphalt surface
road or the brick surface load must
,f a concrete d:iw. xne aspnnu
..l l..tnfr iipfirfta aid Hia i-nnnrofi hmiA
but ulightlv In sustaining beam loads
or in providing a wider distribution of
the road over the surface soli or sub
base of the road. wherens If the equiv
alent of the thickness of the asphalt
id the brick, and particularly lli cost
l,i)lng tliCHo materials, is expended
.limini. ni. nvfrn ill Id' n niu nf tilt.
concrete slab, n stronger load sustain-
injt Mirface will be obtained tiinu is
possible to get at the same cost with
Miniature
MARMONS
Sensation of Show
Automobile Show
Space No. 5?.
rw
anV Mlht)1ptnptltlltr fnplnrr ftliph nu n '
phalt or brick.
According to Mr. Williams, It coKt
more to lay the usphalt or brick for a
given dentil than It does for the samo
depth of concrete. Thcrcfoic, brick
and asphalt have no chance of being
eoinnetftors for service on n motor
truck highway, oh the concentrated
loads placed upon the wheels when the
heaviest truck ate considered run as
high oh from four to eight tons under a
single wheel.
The crushing bearing value of the
concrete at 3(100 pound per square
Inch Is nble to carry the load, but the
bearing value for many subsoils Is not.
Mr'. Williams said that many rem
edies have been offered for correcting
road failure. One of them Is that on
clay or alluvial -soli subbascs thers
should be placed a cushion three or four
Inches thick of porous material, such
as land or cinders, that will permit the
suDuase 10 iirain mil nud remain in a
more unlfnim condition under varvlng I
weather conditions. In some localities
the sand subbase seems to Indicate that '
this Is the correct thing to do.
-"In my opinion the automobile voM- ,
do world will profit by laws that will
nrohiblt anything about a Hvc-ton load'
and force trailers to take nre of thiM
heavyweight loads." Ho added that
icinforclng with steel In a concrete
mad tdab Is of doubtful value oxcent
In special cases. He says that the)
maximum tire load of the maximum!
truck lond Is the factor tn be considered. 1
and not the weight per Inch of tire. Tho '
concrete surface will withstand mr.ro i
per Inch than any rubber tire. "It
Is the benm strength of the concrete
muh mm counts; in oincr woros, tnr
amount of load per square foot of urea
ou the subbase which the slab must
distribute, is what we have to look
after."
Other important speaker? ut the
highway session were H. W. Alden,
"The Automotive Knglncers' Nidation
to Highways"; 1. K. Itreed. "Vnri
ablo Factors That Influence High
way IJceign." and, A. T. (ioldbeck.
'Governmental Hlgnway Kesearch."
GRANT CAR LARGER
I
A Six-Cylinder Car With 116-Inch!
Wheel Base
The new Grant is much larger, bet
ter and liner than any previous model,
bringing the Grant Hlx into nu entirely
new Held from the standpoint of per
forntance. quality and service. It Is u
six-cylinder car with 110-inch-wheel-base
and l-incli road clearance.
The cylinders nre U-lti by 4 inches.
The model II has many outstanding
fcaturex, Including beautifully designed
bodies. tivo-nuhhCneer tourim; and four.
door f-edan types, a three-passemser i
roadster anil four-passenger coupe. The
motor i of overhead -valve type.
TO ASK CONGRESS
HELPFOR ROADS
Federal Aid Over Period of Five
Years Probably Will Bo
Solicited
The next Congress will bo urged, ac
cording to the prosrnm formulated bj
the American Horn! Hullders' Associa
tion for its nation -wide Good Koad
Congress and National Good Hoad
Show to be held in Chicago, February
0 to 12. to extend for five years the
federal iriad -building program which by
law terminates with the close of the
government's prcenl fiscal year. Con
gress will be urged to provide additional
funds for expenditure under the term'
nf existing legislation and the newly
formed program of the ongrrslonal
lenders at the rate of at least 5100.000.
000 for each of the five years begin
ning Ju'y 1, 1021 In the advocacy of
this procedure the American Itond
l'ulldcrs' Association will be In hcattj
ncffd with the attitude expressed bj
Hrcrctary of Agriculture Meredith in his
trcciit annual report.
The American lload Builders' Asso
ciation, which includes in its member
ship the highway officials of the national
government, and thosp of the states,
counties, cities and townships In the
United .States and Canada, together
with highway engineers and contractors
nud the manufacturer!! of road-building
machinery, road materials and highway
transportation equipment, 1h nlho pre
paring to ni.k I'rcsldent-c'ect Harding
to recommend in his inaugural address
and in his first mesxage to Congress
n broad program of federal aid in high
way construction.
The enormous appropriations for
highway work already made by states
and mtiuiclpnlltrA, appropriation tlmt
total more than ouo billion dollars ac
cording to the most reliable reports
covering bond issues and direct levies
for road bul'dlng and road maintenance,
presage, It is believed, an unprecedented
volume of road-building for 1021. The
sum of $271,000,000 voted in bond is
sum or appropriated by eight states re
cently, addvd to bond italics passed by
eight other states since 1018, niakw
$343,800,000 already available for road
work In sixteen states.
Funds still available through federal
aid arc placed at .$100,000,000 by offi
rials of the bureau of public roads. In
addition, funds obtained from direct
levies nud other sources of state rcc
nuc and countv Issues nre estimated to
amount to $21)0,200.000. The Chicago
meeting will bring together from all
parts of the country the men who will
supervise tho expenditures of these vast
aiinronrlatioiis for a thorough discus
sion of their problems and an accurate
cstlmnti' as to th future.
The convention pionnses to be one of
the greatest In point of attendance and I
in results ever held in the history of I
the good roads' movement. Tho gover
nors of the several states and territories
of this country and Canada, ns well as
the inayoi.. of 2000 American nud Ca
nadian cities, have been asked to ap
point official delegates to the meeting.
Jn some Instances governors and mayors
will head their delegations in person.
Seven thousand road and street con
tractors and thousands of. army, auto
motive und chemical engineera, agricul
turists, editors, banker.1), motorists and
large users of trucks, as well o-j offi
cials of boards of trade, ehniiibcrs of
commerce and other organizations Inter
ested In rond and street Improvement,
have been Invited to attend.
Knch sosslon of the congress, as well
as the show, will In- held at the Clilcngo
Coliseum, and "111 b open to the gen
eral public. The program now being ur
anged will cover every vital MibWt
elated to highways and their mr. The
rai
reiniRu 10 iiigiiwnyR anil tiieir tie. The
prepared papers ami discussions will
acal with nil points of view.
Kvcrywhcrc nmoiig road builders the
outlook for unprecedented nrtivitv
growing out of the delay that were dun
to the. hcnv cost und the scarcity of
labor and materials during the war Is
iiu-iidcri il luoxt promising.
Str
&v
uhte, A S. Wilson
Woodbury, N. J.
Dnbltm oj 'Satisfaction j
BEAUTY STRENGTH
POWEPw COMFOR.T
3
Everybody visiting the show
insists on seeing the new
HAYNESffy
The sensation of the time a five-passenger, light
weight car with big-car quality. Ninety-five per
cent, made in the great Haynes factories includ
ing the famous Haynes six-cylinder engine. See
it by all means. The price is only
TO5
F. O. B. KOKOMO
Entering
Twenty-Eighth
Successful Year
Henry A. Rowan, Jr., Co.
723 N. Broad St.
The new Haynes Fifty, with
other beautiful Haynes cars,
is a conspicuous feature of
the show. Space 49, Auto
Show.
l''. I L. r II A. CO.
1893 - THE HAYNES IS AMERICA'S FiaST CAR.- 1911
1
&M?H
Guaranteed 6000 Miles in Writing
New Process Entirely Eliminates Hidden Flaw
rHE public was ready for such a tiio
as the NATIONAL SPEEDWAY.
Motorists had grown weary of adjust
ment wrangles and they were looking for
a tire that would perform as perfectly on
the car as it does in the advertising.
And this could only come from the dis
covery of a process that involved none of
thd risks of mold-pressure curing. Such a
process was discovered and perfected.
National Speedway Tires are built on a col
lapsible core which is taken out before
the casing goes into the mold.
Then a newly devised inner tube is inserted
into the tire and the mold closed.
No external pressure is exerted on the
mold; it closes of its own weight.
Next, by a most ingenious means, the spe
cial inner tube is rilled with water until it
attains a pressure of 200 lbs. to the square
inch. This internal pressure is maintained
until the tire is thoroughly cured.
During the entire process not an ounce of
external pressure is applied.
Hence distortion is impossible. The tire
comes out a perfect, flawless, solid-molded
unit, ready to deliver the limit of uninter
rupted mileage.
Pinching," bruising, bead displacement rim
cutting these things simply can't happen
under internal hydraulic expansion
NATIONAL SPEEDWAY TIRES have found the aukk route to customers' good will
Local Distributors
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