Evening star., 1933-08-18

Did you ever write a letter to Fred
eric j. HaSkin? You can ask him any
question of fact and get the answer in
a personal letter. Here is a great edu-
cational idea introduced into the lives
of the most intelligent people in the
world-American newspaper readers. 1t
is part of that best purpose of news
paper-service. There is no charge ex-
cept cents in coin or stamps for re-
turn postage. Do not use postcards.
Address Frederic j. HaSkin, Director,
Washington, D. c.
@. What is the electric eye" devel-
oped by the aeronautics branch of the
Department of Commerce?-N. P.
A. 1t is a device which will turn on
airWay beacons whenever it gets dark.
BY using this device, airway beacons
are switched on automatically whenever
the amount of light registered dimin-
ishes to certain amount at dusk.
@. In what country are there the most
divorces in proportion to population?-
I. McC
A. Japan is said to be the country
at present leading in the number of
divorces divorce for less than five
marriages..
@. Who drafted the industrial bill?-
J. K. C.
A. President Roosevelt and his ad-
visers drafted it.
@. Why was the Boer Gen. de Wet
put in prison?-D. E. G.
A. After the Boer War he remained
active in politics of South Africa. always
favoring separation from Great Britain.
Soon after the World War began he
headed a plot against the British gov
eminent in South Africa, and was cap
tured al Waterberg. December l, 1914
He was tried for high treason, convicted
and sentenced to six years and $4,000
fine. About a year later he was re-
leased On his parole not to engage in
political agitation.
O. What is the difference between a
franchise and a charter?-C. w. w.
A A franchise is simply commission
to do one certain activity while char
ter gives the right to body to carry
on varied activities.
@. How many wind tunnels are there
at the Langley Memorial Aeornautical
Laboratory at Hampton, Va.?-J. F. V
| A At that laboratory there are eigl /
! wind tunnels. of different characteris-
tics, to serve different purposes, includ-
| ing such world-famouS tunnels as the
varia density wind tunnel, using COM
! pressed air: the high-speed tunnel zap
/ proXimately 800 miles per hour, the
| propeller research tunnel, with throat
/ 20 feet in diameter, for full-scale testing
| of propellers, and the full-scale wind
| tunnel. V ith a throat go feet by 80 feet
/ for testing full-size airplanes. Other
unique wind tunnels at that laboratory
are the vertical wind tunnel. for study
| ing the spinning characteristics of air.
/ planes. and the refrigerated wind tun-
mel. for studying problems of ice forma-
/ tion.
! A Where was auction bridge first
/ played?-M. B. c.
/ A Auction bridge originated in India
/ The first record of it is found in let.
! ter. published in the London Times
January Is. 1909, outlining the game
and referring to it as the new game
of auction bridge for three players"
O. Is there a traffic accident exhibit
at the Century of Progress s?-N. R. H
| A. There is a traffic booth on the sec.
ond floor corridor, between the Com.
munications Building and the Social
| Science Hall. The exhibit is of great
| Importance. because every 81 seconds
another automobile accident injuries
some one in the United States