The sun., 1897-12-05
rorrs ox so1sros ArD 1rDUsrsE

abroad OF ne Lavais famous boiler. which
much attention the Stockholm Exhibition-a poiier
carrying 5000 pounds pressure 70 the square inoh' OF
tenfoId the maximum heretofore allowed. thus as "
is set FORTH wonderfully enhancing the capacig Oh
and eliminating tho danger from. steami for, Hhou'o
the steam tubes burst from pressure in excess OF
5000 pounds, tho steam escapes harmessy INTO sne
chimney nuea. According TO the details gwen OF
De Laval's invention, the boiler II only nconoentr'o
spiral tube less than inch in diameter. through
which the water is pumped. escaping aQuarter OF
mile from the starting point steam. which turns
turbine wheel that propels the msohinery. The coal
In tho furnace is kept automatically st the proper
thickness to produce the most perfect and eauaoie
combustion the necessary air 10 supplied ny tsn tno
water supply IL automatically regulated, and, py
means OF apparatus regulated bv the steam pres-
sure and acting tho valves OF the blast the com
buston 10 controlled by the quantity OF steam CON
sumed The boiler occupies very little space and 20
perfect Is the combustion that small shoetiron pipe
takes the place Of the smoke stack. The steam 10
admitted direct from the steam pipes TO the noEEes'
where II expands.
Some idea OF the extent 70 which what IL commonly
known as builtup timber 10 being used In the
various industries a. factor or component may be
obtained from the statement that inventors have
We'd with each other In their methods OF reducing In
this way the weight OF wooden articles In the wide
range OF trade and commerce. Following this plan.
packing cases and trunks manufactured in i'm
mense quantities out OF the buitup boards. ordi
nary pino ,nrpo, r,.n,. h,r,h .,n mr. oar ia u,ed
for this purpo,e IN, thin befnr cut ont By
machinery and then glued together in cross sections
built mn hoard mad. ~ n,r. ~ .rruc, vepcrra 4,
thus made more durable well much lighter
than sOlid board OF any of the hard woods and a.
these built boaras ara ALA. not n.,r,v m thick n,
tboa, re,,,red sor ,,n,.r ,-or, ,h,. ., oo,r.. a.
d,.,,,o, ,o,n mat. Il, ,,. .,.,. n,,. a, ,h, n.
t-r,al usea Trppt. and n.ot,,, o.... mad. ,coord
inc Tn tb,, ,vst.p, .r. n-oronr..a not or,v ..oep
t,onn,Iv stron, and d,r.h,. h,t ,-,,h th. i..t,n,
u,,,e, os o,L =, ,sh th.r .,.o n,r ,h. ,htr.,s ~
soft nine or ,prpc.
BY means of q unique Device in the shape Of pulp
screen fastener. an important advantage In gained
for that industry the ordinary set of pulp screen
plates, as IL we'll known. II Is necessary in changing
them TO loosen many screws, the number ranging
from 90 to 200 operation consuming. Of conrse,
much time. To avoid all this delay and trouble the
device in question. originated by Il. J. Dickerson Of
Niagara Falls is found be remarkably efncient
by means of It . OF can he changed ieas
n,,n .cr..r ,ons,st,ro =, ,r.m. nro,,aon -,,,
ionqt,ud,nal c,.ats H,,h tr,n,vor,. ro,ob,. ann
nor,e r,,,,,, nn,r ,h... ,,.o,,. ao.,.u n,.,., -.
..curcd IN tho sunnorts ths n,.tes ,th ,,,d
dov.tau, an. m. ,.t sc,svv. ,bro,d.d ,h-on,n ,n.
frame forcing nj, n, tho .pnno-t. ,n n,,t..
N n,,c. r,on Tho ,,o .,,,r,.,,.o,.,r I,,h.r,o,,,
..,,., =, 49,. -....,,. a, g., a.. n,.
,,.,h,,, - -, ,.,.a, -, -, -, -. -
, 80, ,,. 100000. .,,.,..o. -. -. =.
-.,,-a =. ~. y, a,., .h,a,.s ,"s w Nv
.,.,,- -, -, ~ ~ NP
4
A, ,,,,,,,.,,. -.,.,,- .. -, 49, =.
IN. Irn,tad st,t.s n.n,r.m.n. -, . ,,,,,,,r. d, go,
,h ,,,, ,ha, ....ra.,r,a, - -. ,, =
,th RI. c.r,hr,. Iron worrs co,,n., -, ,oSn..a,-s
po ,,r ro,,,n, a onoo,,, do,,r,,.,o, =, Ill o., 49,,
tr,crw,vs for WAGON ro,d. Th. r,o,n,n, ~, .h,s =.
h,, ,h d,r.otor. h.v,, L. =, ,-a. ,,, ,.o.... a.,
toos, "a ,ho .,n,,o.- -, a., -, -, a., ~,
h,. go, ,a . ,,., =, ., a., 80, -. -
=, nn,,,... a., .hs .a.,.,, -, . o..,. =
fo- ,mnnort Th,. r,on .ons,a,, -, .,.,o ,.on.s :,
.,.,,,a, =, ., o. .., -, ,., ,,,.,
tread on the inside TO guide the wheels each channel
re'tns In bed OF gravel and the two tied together
occas'"nhy or NJ intervals TO prevent any spread
lnH OF hsoh'y TO- Aocornins 10 thM methoo' the
bearing or reao Tor the wheels Is eight inches wide
win thickness OF some seven'sixteenths OF ar
inch' ana the weight Is about 100 tons per mile OF
Single track ROAD
,..... A., 1900. A.. - =,
...,v,.r. a. . no.,,n. 80. .. .oa,rua,..., - !.
| r ,,,h q. ~. ~ -, - ,.,..N :. -, :
hs = a. ,...-,.,n.o hv ,h. .,r,,r,s.,, -, . D..
| h,rn.r q, .n.,,., d,u.,.,.,. ~. .,,. - a..
| ,ru,r,.,r.. tr ,,,,rn., d,.,.,- -, ,,,.,
,x,d., trh. ,xm .n.,.rI $1,000 ,h. ,,n,s :.
| curved inv m fhat tho o,,r,i .xu doou ,,t ~
c.ed tho d,ameter m. e,r. t.nd
tn strke tho e,a 20, :, verv sr.,, hc,no on,
c,nab,s ~ d.,,xerne obout ono rh,, ,oo, -, .o.,r
| Ian. mar hour ,nd.r AT, ,no,.. ,r.,o- a,.,-.
| mi. rate n, consumn,,on giving an nrd,r.r,
uorL,r, n.m. Tbe .,r h,,.s a,d ou,
ar. ARRANGED a. IN an ord,n.rv prns.n ,,. 49,,
,,ze ~ tho former NOT hs,no ~ .n.c., ,rnor..,,.
| quired. generator capable of giving gas undo,
| seven inches xater pressure with the full number
OF burners In use, is required The heating effect o.
tho flame is of course very grest 80 that the blow
pipe may be dispensed with for some operations
such as small fusions. For equal volumes burned
the heating power OF acetyIene proved nearIy tvic
that OF coal gas.
|
An expensive ana most thorough investigation wa
recently maze unaer the direction or the New Yori
| central RAILROAD company TO nS"ertain what part
| OF an engine wear out most quickly and In wha
ratio tho several parts wear out For this purpos
the Famous engine $40 was taken into the shops ant
completely oVerhauied. that Is. 1t was taken apart
and every piece OF tho engine. from the ponderou