Sacramento daily record-union. [volume] (Sacramento [Calif.]) 1875-1891, 1882-08-29
SCIENTIFIC GOSSIP.

Three million lire have been voted by
the Municipal Council OF Rome toward the
cost OF holding an international exhibition
IN that city next year.
A company has been established for the
purpose of supplying the inhabitants of
LONDON throughout large area with n.y.
S 9fauic power for the working Of cranes,
ltts and other machinery.
| lightning, even at distance. saws M.
de La!agade, has real action upon the
magnetism of magnetic rods. though the
influence, under ordinary circumstances, is
neither strong nor rapid enough TO be in.
dlcated by the needle of the compass.
In the process for preparing so.called
chamois ieatoers, considerable amount of
la.ty matter, NJ. f. Jean says, remains as
oy-prodnct, and is sold under the name of
degras to curriers', who use it for rendering
ofalnary feathers supple and pliable.
such artificial manures as are suitable
Tor sugar'eanes must be rich in phosphoric
aold ana IN nitrogen, go as to be suitable
ior ready assimilation. Starting with this
general principle, NJ. e. Riffard found that
the yield was at the rate of 356, 600 kilo-
meters OF sugar per hectare.
Soon the work Of retaining the Zuyder
Zee Will begin. A dixie 244 miles is TO be
made OF sand, faced with clay, and SO high
that 1t will be 81 feet above the greatest
tiae level The time for the completion of
TINS undertaking is estimated at from
seven to ten years, and the cost about S46,-
600, 600.
DR.. l.. Ricciardi has analysed six speci.
mems of the lava elected from HItna in
1909 taken at different depths of one and
the same stream and IN the same perpen-
dicular plain. He found the only differ.
ence to consist IN the various layers in the
different proportions of iron in the highest
stage Of oxidation
There ls here only space for mere men
ton OF the fact that at the present writing
some OF the general statements about the
lake-dwellers of Switzerland will have to
be considerably modified. Among some of
the objects recently found at NeuchaEel are
carriage wheel with iron rims, iron
swords, and many human boaes.
Last month new telephone apparatus,
designed for the purpose of counteractinr
the effects of induction on air lines and
condensation in submarine cables, by Herr
Van Rysselberghe, OF Belgium, was tried
with success between Brussels and Dover.
Conversation was freely interchanged over
the so miles of cable connection and the
200 miles of air line.
Retailing of metallic sodium in the pub
lie streets or our large cities is going on
quite briskly. The substance is one which
requires to be handled, even by experts,
with the greatest care. When placed in
the possession OF ignorant persons or chill
dren, the result may be most disastrous.
Is there lot some local law which can be
set IN motion to stop very per1lous sort
of business ?
The Government OF Victoria, Australia,
has been empowered to exDend the AMOUNT
of more that SO, 900 000 IN building addi-
tional lines of railway. Most OF the roads
will be for the purpose of opening up the
agricultural districts. They will not be
costly or intended to carry fast trains. In
all there will be fifty lines built, and their
aggregate length viii not exceed S27I
miles.
As to the reduction o. the production
cost of heat, DR.. Ii. Joulie recommends
the substitution of good for inferior vari-
cites, sowing by drill instead of broadcast,
greater care IN the destruction of weeds,
reaping in suitable weather, thrashing by
machinery to prevent the waste of grain,
deep cultivation in order to secure the
plants from droughts or excess of moisture,
and, finally, the judicious management of
manure,
New excavations are in progress at His
sarlik, under the general direction Of DIR.
Schliemanr, assisted by two German
architects. It is reported that two per
fectly distinct cities have lately been dis
covered in the burned stratum, the lower
one resting on the large walls, which have
c. ~; j. every probability
that LIZ was the AcNepoiis OF the