National Republican. (Washington City (D.C.)) 1872-1888, 1874-03-21


uE At "0N AT. REPn
/
adelphia, and Other: Nund nom paEs ~ %
M in tho appendlx 70 the report o. the -
Eating Commhsee upon the subject oo0'
Pte pavementss wnicn - Ioilowe, nom
INAich tZM SRPe9e thet1e 49, geutlsu fully
\ eencuI yH4 - - - Of de-
IspsFS o. s1 ~ 3op laid vD1n
sne ss0s n'n 09rgeto~h:
Dsport epoS Co refe 1s,s.SS ~ Spalz,,
0iM ksg&b q CO.. Sosisions ~ ,sk21S n
tsps1aess Ukteffsl = Icy
In aeeordance WITH III ab,ecss 1T fUv<h in a
communicstion nv a. X IN RI n Stsh.IrsS
j CITY Of Nev York mc~sstinS the derirsffiitv
I Of m exsminstton ~ csmns&ent ner.ms into
the merits lofthe MIN -concrets -uGv1nentaI
tooether ~ - ,Ss.sscm ~ t~Ssmcx ~ -
j mi Sraina- fnr .snsral ar HDkad ~ ~
/ vouh resnR from mai. examinsfion All s W.
Il tarnstic dirr,ssSon offha sufiest nj addrSssid
/ to the perk commisstooess Of the citjes Of
Rnokivn' PhusssIu1siS- III Bu1sIo. ~ thu
mstnnoai..n Sos.3 a. vorks of ia ~ '. ~
Washinston. . board OF eneineers, repceceut-
inc tbece sever.I oroanis.tio1e coavepsfI ~ ~
ofRces Of the depsrtnent Of parks. NeW Yok
| citv- On Tucedav. Narch IA 1874 oontinued
i thsir seasion on the lSth instspt. mi. subss-
ouentlv. sdjourned TO and met m the citv Of
j Philadeiphis on the cath and 9Th instants.
/ During this period the members Of the board
sad nosaby sops me p.1 ana pubic
squares. VI the large NUMBER ana vericty put
Gown N t1iS county nay oe stssed tnat 900
samples OF the most important OF tnoee winch
| soemeo 70 oner my fees0uaDie nope OF success
were ioono on one OF Al OF tnoee PARIS ana
squares, eoo peese.seo ~ the sovanteges iof
Observation, - 70 length OF time LAID, abrasion
70 when they nad oeen exposed and eondl
| oeemeo o. vAirs fof tne purpose q theF IN
ve.ue atlOns. Inc Pevements 20 examined were
P9s IOWA ~ the companies oesaGnated In the
ionowin8 nss: i-1lsE. ~ i..-g
| tne ScrmsnaM fsIent favement company,
Sne ccna. rrtens 1avement company, the
T Tn.a. p.s. Aspa. Even asvemens GomPany, tne
Ivans IsseWent company, snS DsJ nuicanne
nsvement Company, the Floert Vuicanite
favement company, together withsome othes,
wnose oPerauons, however, naa been TOO lin,
neo 70 WsTant special mention. Tnese had
been in use in various periods, from the year
1851 70 date.
| samples OF nearly all exniotted favorable
conditions as 70 wear, and presented smooth,
Reformed, and compact surfaces, with fair
inG,csuons OF con.mueo auisplnty;
THESE exammations ana the resulting discus
sons Me.e ! ~ ny pIomPs Hno ioH 70
onse a y. 70 inc iU,o w eommu ;a "a
eSaeI W nI s =. s..S somp.n.es enSsseu
IN the laying Oh comPoe'uon payement =: ,a,
"ms- conpa.y: e..l-s - - AN.
"GENrLEMEN: A board of engineers, repre-
senting the park commissioners Of the cities of
New York, Brooklyn, Philadelphia, Buffalo,
and the Department of public works at Wssh.
ington, have under discussion the question of
the practicability of concrete pavements for
pleasure drives and trsfic roads, and are seek
ing Information with the view to determine
generally the requisites Of desirable pave
ment for such purposes. Il u also their desire
to investigate the subject of treating the con-
creting material, with the Wow to determine, II
possible, the best conditions under which Il
| may be used to these ends. am requested TO
ask of you written specification of your pave
ment, setting forth, a. fully as you may be in
clined to do 90, the materials used, I'm their sev
eral proportions, the processes Of manipulation,
together with the form and mode of laying the
same. In this connection We should like to
have the statement show bulks In depth which
you offer EE-.-s. ...I.E
LIST. For paths Of public grounds and side
walks, with price per square yard, superficial.
"ad. Pleasure drives, or roads for light
"Sd. TRAFFIC roads, including heavy travel
per square yard, superficial.
"You may, you please, cite samples Of
pavenents laid BY you which offer favorable
experience, with the time Of laying, the class
of surface color You may be pleased to offer.
This information Is for the use Of this board
only. .c--Ef "E.gs ts--ls- .r-
"Respectfully, - ,.-....a-r
-a.- "JNo. 7. CULYEn,
..a..I Secretary Of the Board.
Communication to be addressed to John
Y. Culyer, chief engineer Brooklyn park COM
mission." -. ..g...l.-. r..
AZ is known, the principal and essential in
gredients which are made use Of In the compo-
sition of bituminous pavements are broken.
| stone, gravel, sand, Tor ashes, cinders, Stag,
vitrihed clay, glass refuse, &C., Intended, In
part, to replace these, with bitumen (of a.
Phalt or eoai-tar) - the eoncreting substance.
l9 ADDITION TO these, there are other materials
used which may be found Of more or less SER
vice. ~r-~t ~ - -'7.--
1t may not be out Of place to mention that
nearly one hundred patents have been issued
BY our Government for these new and useful
inventions, 80 called; and when u y further
observed that, for the purpose Of fulfilling the
very fimsy rSqg3FeMents q The law, the pat
egsses nave been permitted 70 include m their
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