The Londonderry sifter. (South Londonderry, Vt.) 1883-19??, 1890-02-20
SCIENTIFIC AND INDUSTRIAL.


Charcoal powdered and taken with
little water is recommended for cleansing
the blood,
Rubber pavcments have successfully
been tried on a bridge in Hanover and
street in Berlin,
A Swiss engineer, NJ. Wantweller, pro-
poses constructing an underground rail-
way up the Jungfrau mountain to its
summit.
Australian settlers complain that there
is great increase Of destructive insects
since the English sparrows arrived and
drove out the native birds,
It is fairly established that the common
wart, which is so unsightly and often so
proliferous on the hands and face, can be
easily removed by small doses of sulphate
of magncsia taken internally.
A permanent and durable joint can, it
is said, be made between rough cast iron
surfaces by the use of mineral asbestos
mixed with sufficient white lead to make
a very stiff putty. This will resist any
amount of heat, and is unaffected by
steam or water.
The reason person at one end of
long pipe will hear twice over the sounds
made at the other end is, that iron is a
better conductor of sound than air, so
that the sound which is heard last travels
through the air, and hence more slowly
than over the mefal
A mill operator in Providence, r. l.,
has succeeded in carding, pinning, and
weaving the produce of the Chinese
Rama plant, which has hitherto been
impossible, though experimental on by
many manufacturers in the effort to OBJ
tain substitute for wool.
The Sanitary News draws attention to
the fact that silk thread is soaked in
acetate of lead to increase its weight,
and persons who pass it through the
mouth in threading needles, and then
bite off the thread with the teeth, have
suffered from lead poisoning,
The relative values as foods of the
grains named blow are given by Profess
sor Wiley as, first, wheat; second, sorg.
hum; third, maize; fourth, unhulled oats.
Sorghum seed furnishes hour-like
buckwheat, that makes passable bread,
and is coming into considerable use.
A medical authority, DIR. Munde, says
that the imprudent act of getting out Of
bed without protecting the feet has
caused more disease to women previously
healthy than could result from any othel
imprudcnce. The sudden exposure O.
the feet to cold has brought on many az
attack of cellulitis.
The recent discovery by New Eng
land chemist of cheap method of dis
solving zinc by combining it with hydro
| gen is regarded as a most valuable one
The product is a solution called zinc.
water, and has the property OF making
wood to which it has been applied abso
lutely fireproof, and at very low cost
The discovery of an ocean curren
coming from the unexplored region be
You'd Spitzbergen is the subject of
communication to be considered by thu
Bremen Geographical Society. The cur
rent was encountered during the summe
by Drs. Kukenthal and Walker, and wa
very strong from the middle of July t.
the middle of August, streaming through
the entire Olga strait from north to south
and turning southeastward off kim
| Charles Land.
Recently one Of the agents of tn
bureau of ethnology discovered in
mound of London County, Tenn, a SINAI
stone with letters of the Cherokee alpha
bet engraved upon it. The puzzlin
features is that it was discovered at tn
bottom with one of the nine skeleton
found there, }and that the mound has nc
been disturbed within the present century
1t is known by the citizens that sixt
years ago it was covered with trees an
grape vines and has not been disturbe,
since then until explored by the burea
agent, while, according to history
Guess did not invent the Cherokee alpha
bet before 1921.