The herald., 1897-11-28
OBSERVATION-DISCLOSURES
BREYITIES OF SCIENCE
ACKNOWLEDGEMENTS

| DR.. Sanarelli claims to have discov-
cred cure for yellow fever. During the
course of a lecture delivered recently at
Montevideo, as we learn from Science,
he stated that the serum he has obtained
from several animals with which he has
| been experimenting can be used effec-
lively in the cure of this terrible disease.
| AS yellow fever is an annual visitant,
with more or less virulence, in the ex-
treme southern parts of the United
States, and is one Of the sure destroyers
of human life in other portions Of the
world, DR.. Sanarelli, if successful in this
field of scientific experiment, will become
one of the great saviors of the human
race.
The Electric World mentions the fact
that the Icelandic parliament has
granted the Great Northern Telegraph
company. of Copenhagen, a subsidy Of
nearly $4,000 for twenty years. to assist
in laying a submarine telegraph cable
between Iceland and the north of Scot
land. This distance from the nearest
point of Scotland to the Farce islands Is
about 250 miles, the greatest depth be-
ing 254 fathoms, while the bottom of the
sea is composed of debris of shells and
mud. The distance from the Farce
islands to Iceland Is about $50 miles,
making the whole distance about 600
miles. The average depth of the sea
from the islands to Iceland is some 300
fathoms. and the sea bottom is we'll
adapted to the successful laying of the
cable. The point of chief interest in
this enterprise is the wide-awake and
progressive spirit of the Iceland people
which it discloses.
The power of the waves Of the ocean
| is a very real actually. 1t is known
that rocks Weighing from six to fifteen
tons have been displaced almost seventy
feet in a horizontal direction by this
oceanic wave power. Mr.. Thomas
Stevenson, an English engineer has, ac-
cording to the Journal of Commerce
(BostonD invented a dynamometer by
which this tremendous power can be
measured This ingenious device con-
sists of vertical surface of a
given size, which rests upon springs,
the resistance power of which
has been exactly measured. The
force exerted upon the springs is re-
corded by registering apparatus upon
roll of paper, and can be read off by
means of a scale. This apparatus is
fastened to an outlying rock at ebb tide,
being thus exposed to the flood. Recent
experiments made with this dynamom-
eter have shown during a storm q pres
sure exceeding seventy-five hundred
pounds per square foot. But this, as we
have seen, is only an approximation to
the strength of that sea power against
which the strongest ship is often but as
cockle-shell. To utilize this now
wasted power is the dream of modern
engineers.
The largest sawmll in the world is
said to be at Port Blakely, Wash. It is
lighted and operated by electricity, and
is kept running night and day, with
three shifts of men for the twenty-four
hours. In the planning and finishing de-
partments, says the Electrical Review,
and in the blacksmith and pattern shops
electricity is also the motive power. The
company controlling the enterprise
also owns and runs grist-mill for a
supply of the logging camps, hotel for
visitors, a hall for public meetings and
church purposes, and town Of some
two hundred houses
A scientific basis seems to have been
found for what has hitherto been re-
garded as a mere superstitiOus prac-
tice On the approach of q thunder