The Dillon tribune. [volume] (Dillon, Mont.) 1881-1941, 1886-11-12
Scientific.

Roofing tiles are being manufactures
OF wood pulp and by ,ue use of d.,
cnt colored sands y;ll';v,; of tint,
impaired to the tiles rendering =,
capable of producing pleasing eii,,.
III characterization.
10 fix metallic to a soft substance
such as tin to cloth. requires to"
substance; nota varnish nor set a H..
but india-rubber cement, as used
bicycle makers for fixing tires. War;,
the metal, and rub over with IL, &C.,
ment; and while yet hot apply til,
cloth, and press down with a hot i!st
iron.
The wealth of Alabama's coal mines
is to be estimated from the Statement
lat the ayaillDlc coal Of Alabama. col
!ecled in one lump. would he torty-iv,.
miles long b. twenty-five miles wild,
and ten feet thick. "A breaking off ct
5000 tons daily from the lump would
leave large part of it untouched at
the expiration OF G|Kh) years.
It's 4 mootcd question whether the
sunlight falling upon an ordinary wood
fire retards the process Of combustion.
This is a popular notion, and one write.
says it looks as If the tire burns mof
fcebly when TIE sun shines full upon it.
1t is now allie Sc; by scientific men tina,
there may be some influence produced
by the action OF the sun.
A brick. being about rs porous as {.
lump OF sugar and having six sides.
ncc>lS careful ii....iH:, for water-tiyht
work in cc3spOO.s. Etc, and thin grOr'
or porridgc Of cement is commonly
used. Heating 'h,, brick and soakir.,
beforehand in thick coal tar has BE-, u
recommended. \ GaA may lay coln-
mon wall all his lie wit!.,lt learning
how to mak" brick wat"c Tit,
Itmay seem strange to the hon-pro~
fessional that, in spite Of persistent
and skillful vt Npt t, solve the prob
len, chemists pvrubli.:r, tnndmit ignor-
;,nce OF the exact composition of so
common Il .n',st!Na as the white OF an
egg; yet. ultil ,'"y &c tire an accura''
knowledge OF the .'''>,>.,ution Of albu-
minous substances. he process of ami
nal economy cannot b" explained.
As is generally known. compound
''egraph wires consist OF copper depos-
tied upon iron an,: steel. \ wire, how
ever is now being hron~ht out in Eng
land in which TIE relation of the t"''
metals is reversed The steel surround "
the copper. The wire is said to bedi'
from compound metal consisting
q hollow ingot of steel filled with e. >
per.
At Krupr's a railroad truck has !''''
been built with sixteen axles. II ",
r.ado for the special purpose "i t*''"
", ring by raj! cannon whlc!! 49,
feet long, and weighs nearly III t'.':
rom Essen to >;p"z:ia. in Italy. by W.
Of the st. Gothari Tunnel. The u
j. ;,yen,v->iy feet long and thu e.
cvr divided into groups of four. y
c.,SiIy adapt themselves to the cNi'
il the road.
By a very careful test it has peer
found that the strength of II Bnshma''
forearm compares with that OF al
Enr]ishman Of the same weight a.
tifty-tive to eighty-tive.
| Recent Investigations by DIR. \o'
Helmholtz, described to the 1't4''
ROYAL Society, confirm the theor! 'Ns
the formation of cloud in saturat'" a.
is induced solely by particles OF u''S'
AMI, that the timer and sparser the Gus
narticles are, the more Slow! IS q"
cloud formed. These results are ;'ls'
condrmatory of Prof. Tyn"all $ eSp''' !:
alton that the blue color OF the sA!
due to floating dust
N Colladon. in paper read befor
tho French Academy of Sciences s"s
cests that the r.r,',"c't' 81 ''"'
frustrated h. thrr.~. :':;.'s Is se''e'