Evening star., 1925-11-25

slovakia comprises 23o days, accord.
ing to the schedule recently fixed by
the ministry of education. Sunday is
the only day OF the week on which
the schools are closed.
@. Did bred Scott die in slavery
]. z. S.
A. Dred Scott and his family were
inherited by Calvin 8. Chafee Of
Massachusetts and conveyed by him
to Taylor Blow Of st. Louis. They
were enancipated on May 26, 1857.
Q. What effect did the embargo
act of 1907 have on American trade
j. F.
A 1t created havoc in American
trade. Exports fell from Sl10,0S4.20T
in 1907 to s22,430,9 $50 in 1903. Farm
sections were badly hit.
Q. Is it a punishable offense to
destroy United States money
NJ. B.
A It is not unlawful TO mutilate
or destroy United States money,
provided such is not put into circu-
lation again.
@. Who first took submarine pic
tures?-M. A. NJ.
A. The process Of submarine pho
Biography was discovered by Dr. J..
Boulan, professor of zoology at the
University Of Paris. He made sey
eral experiments to a depth of several
hundred feet near the coast Of France
and in the waters of the Mediterra-
mean. He wears a regular divers out
fit, having extra heavy leaden shoes
to enable him to get d good foothold
on the bottom. An ordinary phOtog
rapher's outfit is employed, but 4
must be protected by waterproof GOV
erings. Leyden jars are placed in a
barrel surmounted by a bell glass
which Is provided with the necessary
lamp. The latter is spirit lamp, 70
which is attached a receptacle foF
magnesium powder, connected with
the usual pneumatic ball and tube.
The photographs are taken by an in
stantaneous flash, which follows the
scattering Of powdered magnesium
into the fame. A branch tube Is con
nected with the pneumatic ball, which
forces a puff Of air into the powder
and carries it into the fame, exposing
the lens at the moment of maximum
light.
@. Is the flute comparative
new instrument?-M. D.
A. One authority says that the
flute is doubtless one Of the oldest
musical instruments in the world.
THE primitive cave dwellers made
flutes of the leg bones of birds and
other animals a record Of such
origin is being preserved in the Latin
name tibia."
@. In what year was "Sohrab and
Rustum'' written and in what period
does the action take place IT. '. +.
A The great poem ''Sohrab and
Rustum," by Matthew Arnold, is
Persian epic and was written in 1858.
The time of the poem Is in legendary
days and no actual date can be given.
(Anythin0, great or small, that con
Germs the people Of q nation Is prop
erin 1rithin the proTince OF that nd-
tons government, and our GOUer1s-
1nent deals 1Cith everything that a.
teCts the people 1t maintains the
most efficient and fdr-reGching ma
chirerU of SerUice that the 1COrld hos
erer seen. There is in Washington an
authority Of the first rank on prdC-
ticdIly euery question touching the
ueI being Of humanity. There are
mdgnifcently equipped laboratories
for the study Of eUery problem Of the
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