The sun. [volume] (New York [N.Y.]) 1833-1916, 1894-11-25
xoTr, ON soIEtCE AVID IND UsrsT.

notice, according TO the Ionuoh E"v.".''
with caod prospects Of It's extensive mtroou'
ton. The composition consists OF one Een 90
crude petroleum, one fourth TO one-half poun
yellow beeswnx, onc-half pound powdered rosr
onc-eighth to one-fourth pound each OF Nn
sulphate and lead acetate. one-half to one ouhc
rubber. and one-haIf 10 one pint linseeo ol
A still, similar TO a large steam pohei
with a lone and manhole, Is employed, Tn
still being provided with twosets OF colieo tut
Ing inside. one set being perforated for admls
s piseeG a. in ai tSe eiiIi i and blown fy direct steam 70
six or eight hours, TIL the lighter impurit,ss ha s
passed out to a suitable able ep nra nesT aided aHI in 10 II
petroleum. The contents OF the still are heete'
lLy, sending steam through The S9iI OF G horr
after this the bceswax. rosin. and rubber az
added, the Ingredients boiled ~toegthe- for ansn
cool, and the llnseed oil added.
Announcement is made OF the production by
Connecticut manufacturing firm OF a new resist
ance metal In wire. sheet, or castings, and which
is claimed TO be n valuable addition to this clasi
Of material. The wire resembles ordinary cop
per wire on the outside. has q pinkish whit
tince at the surface OF fracture. and possessed
great strength without losing much ducttlity;
the torsion test il said TO show over eighty twists
In six inches for an annealed wire, which still
NAbl'ite Futilt fNsObb uNii y NNhH''. N.t'b
TO the square inch. and hard -drawn wire IL said
to run to loo, 900 pounds tensile. strength. with
about forty twists in six inches. ConOined
with these favorable mechanical qualities, the
wire Is represented as having the remarkable
with a Temperature cocnicient of less than one
tenth less than that which charnctcrizes Ger
man silver.
An extensive table has been published show
ing the results Of experiments made In Germany
In masonry work carried on during cold
"c"'ner' Inc tepatH'e pieces " urcN whlI
.esttu were MS s'aVeu' aoouC o'Eo rect ions' o.oo
i'et "Ikh' WI" ihches 'hlch, oe'hs haue WIN
,"e 'o,""n ,cuien'' rorti'"u sonneh'' "iNeu
muh" anu Fortlahu cement ana sag cement
W ,oet Wairs maue win these nNe mortars
N.Es i",' WIN unwarneu water y win water
tests was also made with Roman and Portland
cements and cold water 70 which seven nor
cent. Of its weight In cooking salt had been
added. All the mortars were made with
one part Of the ccnenting material and two
pa,os q sanu' ana IN me mixed inortnrs twice as
IIo or h hIiSs az ~ ,hn xnm Cemem, Vas USED; Inc
,nno'G S;TYMut Inc upper portion was entirely ex-
ppart ~ b ~ o,sk % %ha w ,s STARTED inc last
about three weeks: the temperatnre Of tho air
was taken three lines daily. until the middle
" " hen 10 y wos reoi tspGr"'p W. oeinH Jan. :,
pulled down on the 9th or .Iune, ard IL was
~ once apparent that those pieces of masonry
fered more from the frosi I'M ,h n"s nau SUI
per part than in the portions projected by tim
ocrihG' the mortar In Tie former having frozen.
An improved KIM OF cicth Is described In the
texture organs the Improvement pertaining to
materials as wooiieh or angola warp and
either single or tVofo,I. These aro arronnoI
ol,orn.,elS IN s.c,,on. ,ho nH
each description OF warp being determined nv
The width of the stripes or pattern TO be pro-
iuced on the fabric. their Distribution through
The henlls or harness also depending on the ex-
act nature OF the design. The construction NJ
me cioth' so far as regards the WOOL
EN- or angola warp. is ordinary. but
he worsted or lustrous warp IL knitted TO or Sc
s.ctton. SnaS "i whrP az intervals IN
prominently TO the surface of the cloth willie
.ery nttie wet appears, and this only at inter-
'OrTned by Tie af,.rn"I. sec,ions ~ pa..ern
warp. WHEN the fabric has been rassed throuGh
nnlsnihg process, the ~lustrous stripes have
md arresable contrast tn ,no Tr Lhs,re, u strong
warp may be single or double.
-
A writer In the Engineering Magazine calls at
ention 10 the fact that cutting tools on metals
10 not always wear TO tie extent that is COM
hhSS 4 puEIltu Dy |
90 great IA speed. this burn being accounted for
8 follows: When two pieces of similar metal
re moved. the one upon the other. while held
ogcther with considerable pressure and with
Ut a lubricant, they soon will weld together at
he point undergoing the greatest strain and
r%iction; thus. an iron shaft in an iron box be-
omes cut or CALLED. and similarly ,ha no,n,
after SnInn hmt M iron Is oiten taken
,etsIs hoyvauor u iitIie WORK; dissimiiar
reat an cytent' yho ourh each other to SO
,ined in a box Of bronze =" n - snnis Is con-
arder than the other. they seldom nr oe.ng no
nd, thereforesa steel tnoI can cm, or never unite
rome at vefy high speeds IN n,ani oa nara
bove twelve feet Der Saiipnao 70 wnether a speed
ne case of cast ron ,,nhannuue Is saLe. though In
the iron n InbricstSs tbe grSpnlts Is present
10 material.
"
some interesting statements are made by Mr..
eacon' designer ofthe great Vyrnwy dam which
nponhds the water for Liverpool, England.
TINS uan' a structure l40 feet high, there Is