Deseret evening news. [volume] (Great Salt Lake City [Utah]) 1867-1920, 1903-12-04
SCIENTIFIC MISCELLANY,

The clectro-thermic fan Of NJ De Mare
OF Brussels, consists Of rotating fan,
with mica blades carrying resistance
COILS, The apparatus beng driven by an
tlectrlc motor the advantage of tins
form Of heater is that the moving coils
Iadlate heat 80 rapidly that nothing Is
loht IN light, ana m late experiment
lnc WIRE was made white hot before start
ing but soon cooled down TO blackness at
the center rs the fan iOtatcI, the outer
coils continuing TO glow feeb,y. The heat
discharged from the mouth Of the fans
casing was greater than the hand could
bear, In another experiment with coils
of very thin wire the fan was started
before the current was turned through
the coils, and the wire glowcd but faint.
IS, although radiating neat that would
have melted 1t under the usual condl-
tons OF stationary coil
MIX varies in vlacosity with compost
ton and temperature. and "A new appara-
tus called the "lacto-yiscOmeter" Is re-
garded 10y French physicists as solving
the problem Of simple test for mllk.
IL consists OF Il tinned copper reservoir
mounted on a tripod, with fine glass
tube as outlet. When the reservoir is
illled with a sample Of the milk the stop
cock is opened, and the time required for
the escape Of the liquid Is noted In sec
onds, with the temperature, and refer
ence TO table shows the exact character
of milk corresponding TO these data,
A new virus called 'damsysg' u made
IN france. ana Is claimed TO be harmless
TO domestic animals, but fatal to rats:
Bread impregnated with II was scattered
In docks, vessels railway stations and
schools, IN Marsellles, and over thou
SAND rats We're destroyed IN single
night The maj results OF me expert
ments Will be eagerly awaited
-
MIXING poisonous plants at sight While
no general rule can be given, Dr. II. H.
RusDy finds that there are evident
indications. ana that certain characteris-
one Of these is the lurld purple color Of
stems OF castor oil clcuta. cOnium, poke
berry and dogbane A narcotic odor rs
common In many of the most poisonous
plants, though lacking in others, and a
most general characteristic, however, ~
an acrld taste. This Is our best safeguard,
and II can usually be relied upon 70 give
warning before dangerous quantity mas
been eaten.
-
medicine, ana 1t now appears that soldiers
of the British army have become addict
ed to cordite-which rs more than mar
ntrogycerine-as a stlmulaht. An lhNeS-
tgation by Major jennings shows that
4
powerful effect The taste is sweet, pleas
ant and pungent and when a little i
sucked by itself from strand the ei-
feet is strong tendency to sleep, with a
violent headache and noises in the ears
for 80 hours or more. The worst re-
suits follow It's use IN beer lntoXicatlon
follows at once, and the men become
quarrelsome, destructive and brutal soon
victims age rapidly
.1--1- a.. .i,. o.
STUDY OF STATISTICS OF tne slH sIea'
armies OF EUROPE n n snoWH III; i IN
enthal mat the Herhan army IL tne
healthiest' me imllan army ranhs sec
9nd. ana the brlusn .nlId id pu, b Is osi
leved mat me ihtter would pc the IlOs'
healthy We're IL nov tor the great pre!n-
lence oil Venerea amv nher nosm 'n az
death-rate anu tne huinper or cases VI
sickness are greatest III the frehoh army
,..,. -, ....,pu. ,roo ,rou
For producing steel castings free from
blow holes. M. Meslan advises adding an
alloy Of aluminium and calcium 10 tne
molten metal lie has FOUND mat the
combination Of these Two metals apsorps
all gases present