The Forest Republican. [volume] (Tionesta, Pa.) 1869-1952, 1886-03-17
SCIENTIFIC AND INDUsrRIAL

A Belgian treats textile fabrics with an
alcoholic solution Of the green tar Of the
birch. which he expects TO render them
almost indestructibie.
The London L1nost SAYS that s'the pres
| ence Of a heat centre ia the brain has
apparently been demonstrated BY the OBJ
servations and experiments Of OFT, Richet,
Arousohn and Sachs, though its precise
position is still open 20 question" ="
SKINNED milk. according to Professor
Z. B. Arnold. is poor food for either in
fants OF adults, and Is very hard 70 di-
gest. owing % the removal of the volatile
oil contained in the butter glObule.
which is an important agent IN assisting
the digestion Of the lacteal fluid.
The pactibiiity Of working coal at
much greater depths than hitherto has
[ been generally thought possible has been
I ably advocated BY Mr.. W z. Garf0rth.
at a meeting Of the members Of the Man
chester Geological society. The last gener-
ation Of cOllierY managers had expressed
doubts about mining coal At 500 yards.
Dr.. Joseph Leidy lately had submitted
20 him spOngy ice from the vicinity of
] ~
quantities Of living worms. some an inch
in length. They proved % Be a new
species Of lumbricus. TO which the com
mon earth worm belongs. No living or
ganisms have ever been found within
clear. dense ice. such as Is usually served
for drinking purposes.
A mixture Of zinc white with zinc
chloride Is found 20 furnish q paint Of
great value both for wood and metals. as
( It becomes very hard. and can be washed
or brushed without injury, which quail
I ties are. Of course. Of prime Importance
I An essential preCautIon. however, 20 be
/ observed II regard 70 this paint IS not %
I apply Il IN rainy OF frosty weather, as It
then becomes mealy and scales Of
4 notable example Of the utilization Of
smoke Is Afforded IN the case Of . char
I coal furnace AZ Elk Rapids, Mich In
/ this furnace. as stated. are manufactured
fifty tons Of charcoal per day; there are
I twenty-five charcoal pits, constructed OF
I brick each pit being filed with 100 cords
/ Of hard wood. and then fired The vast
amount Of smoke thus produced Is made
/ 70 Weld acetate Of lime. alcohol Tar and
gas.
I In a paper On the size Of the brain IN
I extinct animals. Professor Marsh of Tale
/ College, has bruughs forth the remarka-
Die fact that u the race for lie during
/ past ages the survival Of -any particular
/ group Of animals depended on the size Of
their brain Is compared with that Of their
I contemporaries Of the same class. Brains
won then. as now, and the brain Of ami
mails crushed out Of existence was always
found TO be relatively smaller than those
0urITing them
+ English naval constructors are in7essi-
I eating the jarTah wood Of western Austra-
In, which Is said 70 resist completely the
Z attacks OF the tereCio and all other AMI
mai pests 20 which rmbers planted N salt
water are exposed This Is said 70 be
/ due 70 Its containing q highly astringent
acid something Ike tannic acid- Jarrah
/ piles half 4 century Old IN Australia are -
vet untouched by teredO, and engineers
have suggested importing enough Of the
wood 70 wall up the SueZ canal IN
Florida the wood Of the palmetto Is
equally inpervious % the boring moIluzks,
bur ID this case the fact Is due 70 the
endOgeniOus grain