Walker Lake bulletin. (Hawthorne, Nev.) 1883-1926, 1900-06-20
ls}MaSCience 4
" y sss1Nalnve;ntion| Eli n

= nrs. - $50 r; ySsss
CherrapunJi. In Assam. na.theaat' df
Calcutta, has the reputation OF being
the wettest place on eartif. the Averages.
annual rainfall being 493 10 incliess-
while 1t has the record of one month In
which l47.17 inches fell -
An English authority on dentistry,
quoted in the British Medical Journal.
condemns in strong language unwar-
wanted teeth extraction. He states that
teeth drawing Is not dentistry, and
the supply of artificial dentures should
no more be regarded as the chief aim
of dentistry than the supplying OF
~vUucu icsr - iaakad unon ~ the Ideal
of surgery" ~
The experience of France and Spain
has proved conclusively that American
vines are the only remedy for the phyi-
loxera. But the German agrarian war
upon American agricultural products
has been carried to the point where the
Alsatian Government prefers phyllox
era and has excluded American vines.
Perhaps the Germans will use Amerl-
can vines themselves, while permitting
the phylloxera to ravage the vineyards
of conquered province.
The public library building In Chi:
cago is protected against the invasion
of fire from the outside by means OF a
so-called water curtain" At the top
of the building is a system of tubes
through which water. supplied from
tank, can be used to flow over the out
side walls. Recently the efficiency of
the water curtain was tested by the
occurrence of fire In a large spice mill
adjoining the library building. The
water being turned on, the outer walls
were Immediately covered with liquid
sheet which, as the temperature was
low, became eventually sheet OF Ice.
In recent address before the Wis
consin Academy of Sciences, Prof. q.
| d. Marsh presented some generally un.
known facts about Lake Winnebagoi
| All lakes, he said, are temporary fea'
lures Of topography, since their outlets
are continually deepening and their III
let's are gradually filling their bottoms
with sand. Lake Winnebago is re-
markable for its shallowness. Although
| twenty-eight miles long and ten of
twelve broad, 1t is only twenty five feet
deep But it's lack of depth Is an ad'.
vantage from the fisherman's point OF
view. 1t contains an enormous number
| of fish. and few lakes in existence eau
compare with 1t for productiyeness In
that respect Shallow lakes are better
than deep ones for fish, because OF the
greater quantity Of vegetation covering
their bottoms Vegetation cannot Hour,
ish In deep water =
The application of the turbine priT
ciple to the motor machinery OF ships
has achieved another triumph in Ihe-
case of the British torpedo boat de
stroyer. Viper. Al recent meeting OF
engineers ut the Royal Institution nj
London some interesting facts concern
ing the surprising speed Of the Viper
were discussed. On her second prelfin
mary trial in February she attained. =
speed of 35,5 knots,s equal 10 sneagly
forty-one statute miles per hniir.. 1hts'
Is AS great a speed as that s'of nfa ny
express trains, and II 1t could. be de$gl
4 t-oped In. a great passenger. shlpshad
4 maintained continuoHsiy~ would. cut
down the time needed fer crossiR the
| Atlantic to about three. days.; Whe4
running either slowly Or at toP-speed
the Viper experiences little vibration.
and 1t is anticipated that she Will eYeh
tually surpass her own record.
r.
For some reason the man .whOtnas NO
money to buy food is never seized with
a desire to acquire fame by breaking