Evening star., 1933-03-25

lard (pooD balls are made OF ivory:
others are made Of a composition OF
celluloid and clay, and the synthetic
ball Is made OF ground ivory. Casein
Is also employed in the manufacture of
artificial ivory used for billiard balls.
@. How many cities have been built
on the present site Of Jerusalem?-D. C.
"A; Inc present city is the eighth to
DC Dullt on this site. In Southwest
judah Is a mound which reveals IL
distinct strata, each stratum represent
ing the remains of city. When a
city was conquered the buildings were
leVeied to the ground. Since they were
mostly built OF clay, they formed a
layer OF soil on which another city rose.
Q. What proportion of Federal ex-
ecutlVe civil service positions are in
washington, D. C.?-M. s.
A. About s per cent of such posi-
tons are in the District of Columbia.
g, What causes printing static'-
A. The Bureau of Standards saws
that printing static is introduced bv
the friction Of the paper with the
metallic parts Of the printing press.
In large establishments special equip
ment Is used to prevent this. Con-
troueo humidity conditions assist, to
some degree, since paper that is kept
very moist gives little trouble.
@. What is meant by the "conti-
mental Sabbath"?-G j. S.
A. 1t Is the custom on the CONT
nent OF Europe to employ the earliest
hours of the Sabbath day in religious
devotion, during which period all COM
mercial activities cease. After the hours
for pubic worship are over many of
the stores. play houses, ETC., reopen and
the rest Of the day is given to amuse-
ment and recreation.
@. When were special buildings erect
ed for inaugural balls?-D. S.
A. Temporary structures were erected
in Judiciary Square in 1857 for the
son, in 1861 for Lincolns and in 1873
for Grants. At the outbreak of the
Civil War the Lincoln ball room was
still standing and was used as an
emergency hospital for the first wound
ed soldiers.
@. Is 1t true that a person cannot
sink in the Great Salt Lake?-A. C. r.
A. The salinity of the lake is so
great that a swimmer cannot sink
in it.
@. Is Siberia an Independent coun-
try?-W NJ
A. Siberia is not political entity.
put merely q geographical expression.
Practically all of the area known %
Siberia is part of the Russian Socialist
Federated Soviet Republic, the largest
and most important of the Russian
states making up the U. S. S. r.
@. Where are schedules of all tramp
steamers kept?-C. CIV.
A. There is no central place.
@. Please list some of Frances
Perkins activities before she became
Secretary of Labor-W. MP.
A. Miss Perkins was secretary Of the
Consumers League of New York from
1910 to 1912. She was executive secre-
tary Of the Committee of Safety OF
New York from 1912 to 1917. She was
executive director Of the New York
Council Of Organization for War
sioner of the New York State Industrial
Commission from 1919 to 1921: director
Of the Council of immigration Educa-
tiop from 1921 to 1928; a member of
the New York State Industrial Beard
since 1928.
@. Was there Scent postage rate
anywhere in the United States lust be-
fore 1t was put on generally last Sum-
mer?-I L.
A. There was not. The 3-cent rate
went out Of existence June 80. 1920, and
was not resumed until August 6. 1892