The Stark County Democrat. [volume] (Canton, Ohio) 1833-1912, 1900-07-10


Felizzarno and Quatterdio, in some
inches.
The animals having the warmest
blood seem to be some of the cetaceans
DIR. Guldberg reports that observations
made with great difficulty have given
the following results in individual ce-
taceans: Sperm whale, 40 degrees c;
Greenland right whale, $3.50 degrees;
porpoise, $3.50 and $3.50; common ror-
quail, 35.40; dolphin, 1856. The average
blood temperature of man is 81 degrees
C, that of other mammals being 49,,
while that of birds is AZ degrees.
Orthodoxybenzol, which has been
given the name of Elconal by DR.. Lud-
wig Ellon, seems to have proven very
satisfactory as a Photographic devel-
oper. This has the unique property of
admitting mixture with sodium hypo-
sulphite in all proportions. making pos
sible a combined developing and fixing
bath.
The earth within the Arctic Circle
supports a considerable population, but
the Antarctic Circle Is without trace Of
human life. Upon S0,000,000 square
miles surrounding the south pole the
foot of man has never trodden. DR.. f.
A. Cook dissents from the general belief
that this vast waste offers nothing to
repay investigation, and points out that
whales, seals and penguins are abun-
dant, that immense deposits Of guano
exist and that the region Is especially
adapted to the farming Of bearing
animals. Possible future industries are
thus suggested. The prospect, how
ever is a forlorn one to the home seek
er, as beyond the Antarctic Circle the
line of perpetual snow extends to the
seashore, and only an occasional island
or cape is bare for a few weeks in
summer. The coast is made inaccessi-
BILE by an almost unbroken ice wall from
so to 200 feet high. There are no trees
or plants except a few MOSES and lich-
ems upon rocks too steep to hold snow,
yet animal life seems to be well dis
tributed. The average temperature is
low, though the extremes are less than
in Arctic regions. DR.. Cook has exper-
fenced 60 degrees above zero in summer,
to SO degrees below in winter in the
went to 45 degrees below in winter, but
did not reach 2 degrees above on any
day in summer. The Antarctic temper
ature is less trying than the excessive
humidity, and the gales and snow
through the year.
An air perfume, in two papers, on
the plan of seidlitz powders, is a French
idea. The white paper contains binox-
ide of barium, saturated with a concen-
trated perfume, while the colored pa
per holds powdered permanganate of
potash, in the proper proportions to
liberate oxygen when the two powders
are dissolevd together. The liberated
ozone or oxygen carries the perfume
into the air, which it disinfects at the
same time.
An amorphous silicon that is so active
as to burn when gently heated in the
air is produced by two German chem
lists by causing sodium to act on the
fiuoride of silicon and subsequently fus-
ing the powdered mass with aluminium.
The red end of the spectrum has been
found to be exciting to the nervous sys-
TEN. Henri de Parville points out,while
violet, blue and green have a soothing
effect. Bulls and turkeys are angered
by red; blue glasses are sometimes used
to quiet horses. In factory at Lyons
sensitive plates were formerly made by
red light, and the workmen continually
sang or gesticulated; but in the green
lipht mead tha I'm fa1lx
little, and are less tired at night. The
effect of sunshine in cheering nervous
patients is often very marked. 1t has
been further suggested that the green
Of vegetation, the blue Of the sky and
the blue-green of the ocean may pow
erfully effect health through their
influence. With such evidence
as we have Of the effects of colors on
the organism, De Parville considers the
subject worthy Of thorough investiga-
ton.
A new arc lamp, which seems to be of
German origin, Is designed to avoid the
inconvenience of regularly renewing
the carbons. 1t consist Of vacuum
bulb containing two L shaped alumni
mum rods pointed with platinum, and
it is claimed that the points between
which the arc forms show practically
no wear. The arms are regulated by
a simple pendulum arrangement, in
stead Of requiring the complicated feed
mechanism of the usual carbon rods.
The lamp, which Is to be used in hor-
izontal position, casts no shadow.
A new process of engraving photo
graphs on metal is claimed by j. Pat
erson and w. Dickson, of Edinburgh.
The clean and polished metal is coated
with hot solution of ounces of fish
glue in ounces Of water, to which 8
scruples of bichromate of ammonium
has been added; and when this coating
is cool it is printed by exposure to light
under a Photographic negative. The
coating or enamel is then heated by a
gas stove or spirit lamp until given a
rich brown color. The metal under the
unhardened parts of the enamel is then
chemically etched, and the design is
given sharpness by furnishing.