Wauwatosa news. [volume] (Wauwatosa, Wis.) 1900-1948, 1908-11-06
BITS OF SCIENCE.


barges between Stettin and Berlin has
been begun by the German government
1t is planned to have it completed by
1912.
The world-famous Strecker collection
of butterflies and moths, including near
ly 100000 specimens has been bought
by the Field Museum of Natural History
at Chicago.
In the government tests of tobacco a
mechanical smoker is used which draws
the smoke through TASKS of sulphuric
acid to absorb the nicotine, which may
then be measured.
Two German scientists have had re-
naarkable success in the prevention of
bacterial diseases by the use of il liquid
prepared.by the addition of caustic soda
to Javelle water.
The German Academy of Science at
Berlin will receive 30.000000 marks,
about $T,000,000, under the will of Herr
Samson, the Berlin banker who died at
Brussels recently.
a Danish explorer who has returned
from two years spent in the north of
Alaska has reported the discovery of
mountains heretofore unknown, from TO-
900 to 1900 feet high.
pair of French army dogs has drawn
light ambulances with loads of 100
pounds each for 375 miles without a
breakdown, showing their availability for
such purposes in time of war;
A Brooklyn man has secured q patent
on spiked driving wheel and runners
to replace the ordinary wheels to convert
an automobile into a motor driven sleigh
when snow is on the ground.
The marble output of the United
States in 1907 was valued at S7,S37. 6S5,
a slight gain over the preceding year.
Vermont, New York and Georgia led
in the industry, in the order named.
OF three wires of the same size, made
respectively of gold, copper and iron, the
first will sustain a weight of $50 pounds,
the second load of COZ pounds and the
third one of $40 pounds.
Camille Fiamarrion, the French as
tronomer, is of the opinion that a dark
spot on the planet Jupiter which
changes its position is an island of
seoria, floating about on the molten sur
face
The largest barometer i'll the world
has been completed by Father Alfani,
director of the meteorological observa-
tory at Florence. The tube is nearly
10 meters high, by over 20 centimeters
in diameter. Olive oil instead of meT-
curry is used.
Berlin's railroad stations are to be
fitted with coin-in-the-slot umbrella ma
chimes. A borrower pays the value Of
the umbrella he gets, but is refunded
iitd1t9 NAAC Nholc dtliOullL Oll returning II
TO the office of the company owning the
machines.
In the manufacture of coke in this
country last year scarcely more than an
eighth was made in retort ovens, so that
the by-products could be recovered.
All the domestic pumice marketed IN
the United States comes from Harlan
and Lincoln counties, Nebraska, al
though several other western states have
deposits
OF uncoolled food meats. beef and
mutton contain 20 per cent. of waite
each; lamb GA per cent; pork from 80
TO 60 per cent, and smoked bacon less
than % per cent.
After twenty years of experimenting
an Edinburg firm has brought out an
essence of tea which is said to preserve
the aroma and cheering qualities of the
prepared leaf
Although there are over million spec
linens of insects in the British museum,
scientists say the largest part of the in
sect world has not yet been discovered
or named.
The United States leads the world in
patents, the 900,0O0th having been issued
this month. Commissioner Moore esti-
mates the number will pass the 1.00O.-
600 mark by 1911.
Aluminium may be soldered with sol
der made from tin and zinc or tin, bis
more malleable if pieces are TO be fur
Their worked after joining.
About five persons in every hundred
are said to be affected with color blind
ness, if only to a slight degree OF the
sexes, fifty men are afflicted to every
four women.
More than 1000 persons are employed
in the manufacture of artificial pearls
i'll the gulf of lower California by Il
company working under concession
from the Mexican government.
The German military officials are test
ing a steel corselet, weighing but 6
pounds, yet which is said to be proof
against revolver bullets. 1t is the in
yention of Bavarian.
In a new telescope at Johns-Hopkins
university, Baltimore. the reflector con-
sists of a basin of mercury, revolved by
an electric motor. BY varying the speed
the concayity of the mercury may be
changed to alter the focus.
BY treating fresh meat to the fumes of
pastile, the composition of which is a
secret a Belgian inventor claims to pre-
serve it more effectively, economically
and BEAUTIFULLY than by the injection of
chemicals or freezing.
According to army surgeons, the NOR
tally among the natives of Alaska is
greater than among any other primitive
race with which civilization has come in
trachoma and other infectious diseases.
Designed to be safer than and equal
ly enjoyable with roller skates, Texas
man has secured a patent on miniature
spring boards to attach to the feet, en-
aiding the ycarer to leap for long dis
tances.
-Four 160-ton, 120-foot submarines of
the Italian navy recently established a
new record for vessels of their TYNE by
cruising 300 miles under their own power
without any other aid.
The value of lime produced in the
United States annually has nearly
doubled in the last ten years. while that
of the sand lime brick has increased
nearly seven-fold in that time
Coal mine accidents in the United
States in 1907 cost 1926 human lives,
besides the injury of 1906 more persons.
an increase of 1893 in the number of
deaths and SOC in the number of injured
over 1906.
The steepest railroad in the world is
the Mendal. in the Tyrol. which has n
gradient of Ga feet in the 100 Until
this was completed recently the road up
NpSuyiuS with q gradient IF 80 Foot -,