Evening star., 1928-03-21

In fact. the Oldest countries are those
which seem most closely connected
with this worldwide food
O. Why are baked potatoes consid-
cred particularly digestible?-P. 3.
A. When cooked in this manner
the starch Is more thoroughly broken
up than by other methods.
@. When were cigarettes first
smoked?-M. A. p.
A. The earliest reference to the
cigarette occurs in literature In 1912.
where it is stated that cigarettes we're
smoked in France and Italy. Laurence
Oliphant is generally credited With the
introduction Of the cigarette TO English
society 1t did not become popular.
however until 1870.
O. How many radio sets were sold
In 1927? What is the cost Of opera
ton and upkeep for a set?-R. w
A. For 1927 (estimated) 100 900
radio sets were sold valued at ap-
proximately s2l5,000,000. The cost
per hour to operate the average set
portion estimated for tubes per year.
s2s for new batteries and charging old
batteries; total upkeep per year
about S36.
@. What kind Of salt is best for
glazing purposes?-C. H.
A. The Bureau Of Standards says
that for salt-glazing bricks. sewer pipe,
chemical stoneware and similar prod
ucts. the grade OF salt generally used
is that known as rock salt" Of about
the same degree Of fneness as that
used for mixing with ice 70 manufac-
ture ice cream.
@. Why do wheels Of vehicle seem
to be moving backward in motion pic
tures?-E. L. K.
A. Motion pictures are in reality a
combination Of still pictures. The first
picture Of the automobile shows the
spokeS Of the wheels in one position.
If the next exposure Of the film were
made when spoke No. had ad-
vanced far enough to be in the posi-
ton of spoke No. 2. the picture
identical. IF spoke ! had advanced
less than halfway to position Of spoke
2, the forward motion would be no.
ticed. If. however. spoke / advances
more than halfway. to the observer Il
would have the effect of spoke 2
moving backward. as that distance
would be shorter and the apparent
motion would be in that direction.
Q. Is Canada a free country In the
same sense that the United States Is?
w. NJ
A. 1t is not. Canada Is a self
governing dominion within the British
Empire. At the imperial conference
of 1925, the position Of Canada and
other self-governing dominions vas de-
fined as follows: They are autono-
nous communities within the British
Empire equal in status. in no way
subordinate one 10 another in any
aspect of their domestic or external
affairs, though united By a common
allegiance 10 the crown. and freely as
sociated as members OF the British
Commonwealth Of Nations
Q. Do students entering West Point
have TO take an oath OF allegiance?-
N. c. F.
a Cadets who have been accepted
for appointment TO the United States
Military Academy are required prior n
their admission TO take the oath of
allegiance and to subscribe to an en-
gagement to serve the United States
for time subsequent 10 their gradua-
ton.
@. May one correctly say, Come in
the house? u. r.
A. Josephine Baker says that this
colloquialism Is permissible only in
familiar speech. Into Is required be-
cause entrance is indicated.
@. Why was Memphis. Tenn. 80
nAmed?-F. E H.
A. It's situation upon q river vas %
similar. to that OF Memphis In Exyps
that the name was given.