Evening star., 1926-02-15
ANSWERS TO QUESTIONS
BY FREDERIC J. HASKIN.

Q. What does the Cana 1ian patent
law provide respecting manufacture
ana importation of the invention
covered by "a Canadian patent?-D.
l.. l..
A. Section 40 of the Canadian pat
ent act provides that If an invention
is not adequately manufactured in
Canada. within three years from the
issue of the patent, so that the reason
able requirements of the public are
satisfied, any interested person may
apply to the commissioner for the
issuance of an order requiring the pat
entee to supply the patented article at
reasonable price or to grant licenses
for the use Of che invention on reason
able terms. If importation of the pat
ented invention, without adequate
manufacture in Canada, is carried on
after three years from the issue OF
the patent, any interested person may
apply for the revocation of the patent
on the ground that the patented ar
ticle is manufactured exclusively or
mainly outside of Canada. to supply
the Canadian market.
Q. How far is the Thames navi-
gables. y. T.
A. The Thames rises in the south
eastern slopes of the Cotswolds hills
for barges to Lechlade, upward of 200
miles above its mouth. Its total
length is 2l5 miles.
@. Is the word "alright" correctly
used in any Sense?-A. s.
A. In the English language. there
is no such word as alright. The
expression consists of two words, all
right.
@. Name some men of prominence
who have been preachers sons
A. n.
A. There are Cecil Rhodes and
Hartman among fnanciers, CleVe-
land, Arthur and Wilson among Presi-
dents: Emerson, Coleridge, ADDISON
and TennySon among writer's: Hallam,
Hobbies, Froude, Sloane and Parkman
among historians; Reynolds, Jenner,
Linnaeus and Sir Christopher Wren.
Q. From which direction are the
prevailing winds in tropical coun-
trieS?-C. l.. K.
a. The winds Of tropical regions
are prevailingly from the east; those
of middle latitudes, from the west.
This is because the earth turns on It's
axis from west to east, while the at
mosphere slowly but continuously cir
culates from equatorial to polar re-
gions and back.
Q. In passing people already seated
in a theater. should man face the
occupants of the seats or the stage! !!
A. G. G.
A. He should face the stage. He
is less likely TO knock the knees of
those sitting or TO disarrange their
clothes.
Q. What is "a person called who,
under the influence of mania, burns
buildings unconsciously?-D. t.
A. A person who has an insane in
clination toward inCendiarism is called
a pyromaniac.
Q. Is it true that the front wheels
OF automobiles toe i'm slightly
NJ H. @.
A. The front wheels of automobiles
are adjusted so that they have a
very slight angle This is known
as cambering. and is done to make
steering easier. 1t makes the center
line of spindle bolt coincide as near
as is practical with center of contact
Of tire with the ground. The slant
is usually not more than de-
grees or about %. inches for 34-inch
wheels.
Q. What coal is known as Pitts
burgh coal'?-C. a. B.
A. The Bureau Of Mines says that
coal mined in Pittsburgh and Sewick-
ley seams is called pittsburgh coal" ="
1t is mined in Greene, Washington,
Allegheny and Westmoreland Coun-
ties, within a radius of 60 miles.
Q. What percentage of homes have
radio Sets?-J. X.
A. The New York Edison Company
says that one out of every three fam
lilies in New York City and one out of
every five families in the rest of the
United States owns a radio set; radio
sales have increased from s5,000,000 to
more than $500, 900 900 in the last five
years; and almost S15,000,000 was
spent on broadcasting programs dur
ing the past year.
@. How many feet of lumber does 1t
take to make a ton of newspaper
u. L. II.
A Since the customary units of
wood measurement-cord. log meas
ure or lumber scale-do not represent
an exact quantity. the cubic foot
solid wood is used. Even this unit is