Iowa County democrat. [volume] (Mineral Point, Wis.) 1877-1938, 1901-08-29

spaces anu gives the LdmIIldI "Aleu
appearance of a frozen plant when
suddenly warmed. If, however, the
temperature is very gradually raised
the cell will reabsorb the water as
fast as formed and no injury will re-
suit. If the cell contents be complete
ly sohdifed permanent injury results.
Earth Messages.
Messages may come through the
very center of the globe as well as
around it. The earth is never still.
Tremors, pulsations, rises and falls Of
level are always in progress. After
a prolonged investigation of these phe-
nomena in Japan, Prof. John Milne
has established an observatory at
Newport, in the Isle Of Wight. The
days of violent movements are over
for the present in that charming re-
gion, but the recording instruments
there show constant tremblings.
Four times on an average every min
ute the earth "shivers." Delicate ap-
paratus for feeling the earth's pulse
nidicvate the feeblest throb or beat.
ilG III SJ IAulhS0 VI al IuAu1hS SLlOSh
in Alaska, Mexico, Japan or Java has
reached Newport before the news
came by telegraph. A violent out
burst or Quivering takes place, for in
stance, in Java. Immediately waves
of vibration run through the world and
round its surface, and at large num-
Der of stations where these sensitive
h,
ment is felt. Other things equal the
rapidity Of vibrations depends on the
medium through which they are trans
mitted. In sand a shock travelled S25
feet per second; in solid granite, 1865.
Professor Milne finds that tremors
which have come through the very CEN
ter of the earth reach him with such
velocity as to prove that the earth's
interior must be more rigid than a
globe of solid iron. So distinct and
trustworthy are the indications that
when the interruption was due to
seismic disturbance and point to the
very spot where it had happened
London Telegraph.
The DeFrees Thermometer
A compay manufactures a gas and
oil engine which is without valves,
the engine being so constructed that
the piston acts in this capacity. 1t
claims exceptional CompaCtness, dura-
bility and especially economy. On
plants above 10 horse power the en-
CINE is reported to consume in hours
Is gallons of crude petroleum at d cost
of IL cents per gallon, from which is
obtained 4 gallons of residue, which
makes a very good and successful
lubricant which can be sold for 5
cents a gallon; thus the fuel account
is reduced to a minimum. For three
years the engine has been manufae-
tured on a small scale and has been in
successful operation. At test re-
Gently made a three-cyclinder no.
horse power engine successfully pro-
PEELED Pullman car 40 miles an hour.
The Earth's Risidity.
What sort of matter fills the interior
of this planet has long been subject
of speculation. Lord Kelvin arrived
at the conclusion that the earths mass
must possess greater rigidity than
glass or even steel, otherwiSet the moon
would raise a tide on it's surface.
Strange that the messages received at
Newport, Kew, BidstOne (near Liver
pooh and gh-observatories of
the earth's tremors-confrm this the
DRY! This finding does not mean that
the world is solid all through. Beneath
a firm exterior, some rs to 80 miles in
thickness, there lies probably COM
pressible yielding zone of molten liquid
and gaseous elements-at a tempera-
ture such that no weight above could
compress into liquid or solid-whileal all
below is dense, white-hot to the earth's
center Even gases under the load Of
miles of rock would have a marvellous
elasticity.
Music From the Electric Arc.
A London electrician, Mr.. w. Dud-
dell, recently exhibited a novel must
cal instrument, composed of a series
of electric arc lights, which played a
popular air. When the current is
passing through the solid carbons,
they give off a musical sound, and by
placing a shunt across the carbons
connected with a keyboard, Mr.. Dud-
dell was able to vary the sounds
through the scale Of two octaves. The
keyboard served to vary the self-induc-
ton and capacity in the shunt circuit
and by employing four arcs in series
the intensity Of the sounds was made
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