The watchman and southron. [volume] (Sumter, S.C.) 1881-1930, 1910-07-06
Science JOttingS.

One of the distinctly new "tell-tale"
instruments of the day is the Hamler-
Eddy smoke-recOrder, which shows
with infallible accuracy to just what
extent a stack is smoking at any hour
and any minute during the day.
The Eddy machine produces a pic.
ture of the condition of the chimney
on a roll of ruled paper on a yerti-
cal drum. Against this paper are con-
stantly being blown little puffs of the
air and smoke, drawn from the CHM
ney through small pipe. ,
When the chimney is smoking
heavily a heavy black line is left on
the paper at that particular hour and
minute. When there is no smoke the
paper is left clean. The chief engin-
eer examines these sheets at his leis-
ure. If they are fairly white and
clean he does not fear a visit from
the smoke inspector, but if not the
fireman gets his"
| The particular taste of a cold-stor-
age egg is something not easy to mis-
take. 1t is possible that this taste
may be removed, if experiments now
being conducted are successful. It is
claimed that when fresh eggs are
placed in cold storage the eggs are
alive, and that they are slowly frozen
to death, and, in spite of the preserv-
ative qualities of the ice, the eggs do
not taste good when cooked.
| 1t is now believed that by electro
cutting" the eggs the natural, fresh
taste may be retained and not remov-
ed when the eggs are placed in cold
storage. The eggs are KILLED" by
placing metal cap on each end of
the egg and then throwing on a pres
sure of 500 volts.
Mr.. w. T. Bowie, an instructor al
the University of Missouri, at Colum-
bia City, has arranged an electrical
recording device for measuring the
growth Of plants. To measure the
stem -elongation thread is attached
by means Of clip to the tip of the
stalk, this thread being passed around
a freely pivoted shaft, the movement
of which is magnified by a lever-arm
| which moves over, electrical contacts
| By the use of this machine it has
been demonstrated that the growth of
plants occurs with alternate rests
| Thus, test of a bean plant showed
that it grew at it's most rapid rate
about four times each day, with in
tervening rests of from four to eight
hours.
Not being satisfied with the slow
rate at which drugs act upon the So
called sleeping sickness" SO common
in Africa, a young mine-owner who
contracted the disease in Rhodesia is
also being treated by a refrigeration
method in the tropical hospital at
Liverpool. The method used requires
him to be kept in a room at a uni
form temperature somewhat below
the freezing point, a number of hours
daily.
AT the last reports the patient had
increased the time during which he
could stay awake in the cooled room
from two to about six hours and was
suffering much less from the usual
pain in the joints.
The telephone company in Will
mington has equipped a department
| with monographs and has on file a
| complete line Of records. When a
| subscriber wants music he asks for
the music operator and selects from
the music catalogue, supplied to all
subscribers the record he desires to
hear. The result is as good as though
the phonograph itself were transport
| ed to the receiving end of the line.
The charges are three cents for regu-
| lar records and seven cents for those
| by operate stars.
II torpedo which the British Ad-
miralty is now trying out comes up
to the claims of the inventor Eng
lands navy will possess an instru-
| ment of destruction from which a
hostile vessel has no chance of es-
cape. 1t is claimed this torpedo will
-. %