Evening star. [volume] (Washington, D.C.) 1854-1972, 1930-03-29

There is no other agency in the world
that can answer as many legitimate
questions as our free Information Bureau
in Washington, D. G. This highly or
ganized institution has been built up
and is under the personal direction Of
Frederic J. HaSkin. BY keeping in con-
slant touch with Federal bureaus and
other educational enterprises 1t Is in a
position to pass on to you author1ta-
tive information of the highest order.
Submit your queries to the star Of ex-
pertS whose services are put at your
free disposal. There is no charge ex-
cept cents in coin or stamps for return
postage. Address The Evening Star In
formation Bureau, Frederic J. Haskin,
director, Washington, d. c.
@. Are any motion picture companies
making pictures with lines spoken both
in English and in French?-M. F.. s..
A. Several companies are engaged in
the experiment. The Big Pond" tea-
turing Maurice Chevalier and Claudette
Colbert, was recorded in both languages.
Q. What is the expectancy of life for
person who has reached the age OF
A. At 10 for males it is, 9.43 years,
and for females $50 years.
@. Has a man ever been released
through a torpedo tube and survived?-
j. r. L.
A. The Navy Department says that in
the Philippines two Navy men freed
themselves from submarine by the
means of torpedo tubes and reached
the surface alive. However. the great
est depth at which this experiment
was tried was 40 feet, and the water
was warm.
Q. What proportion Of the land area
of the United States was originally m
A. Nearly half. About half of this
virgin forest is gone.
@. When were London and Paris
founded?-D. w.
A. The exact dates of the settlements
of London and Paris are not recorded.
London first rose out of obScurity early
after the Roman occupation of Britain
in the first century Of the Christian
era. Caesar makes no mention of the
town, but TacituS refers to 1t as having
been a place much frequented by mer-
chants in AID. 81. Paris was formerly
known as Lutetia. Caesar describes in
his Commentaries" how 1T was burnt
during the first Gallo war, 50 BIC. Dur
ing the flrst century there was refer
ence to Lutetia as Roman town.
@. Are teIevision and radio record
ing Of photographs the same process?-
K. j.
A. Television is projecting process
while the transmission Of Q photograph
is a recording process.
@. Has a coin detector ever been in
vented for vending machines which will
refuse slugs? If so, how does 1t work.
K. w. T.
A. Such continuance has been made
and 1t part of the robot vending ma
chine. The coin which Is put into the
robot Is first tested for weight Then
it passes to the chief detector, which
is an electromagnetic. True coins are
not halted, but any disk containing
fraudulent metals is drawn aside into
channel which rejects it. In passing,
the guilty slug forms an electric con-
tact, which starts a disk photograph
in the top of the cabinet. The person
who inserted the counterfeit coin is
startled by hearing the words, please
use good coins only" The voice is re-
corded on Q single groove. When the
revolution is complete, the contact is
broken and the record stops.
@. Are many birds brought into the
United States from other countries? I