Evening star., 1925-12-07

from each Southern State. The
marching hosts, through receding
vistas, merge into the surface of the
great boulder.
O., What is the origin of shellac?
A. T.. M.
A. Shellac is a modified form OF
lac. which is a resinous substance
formed by an insect as a coating on
| the tWigS and young branches of
various trees IN India and neigh
boring countries. The term lac"
is the same as the Indian numeral
meaning a hundred thousand, and is
indicative of the myriadS of insects
which make their appearance with
every successive generation. Lac
encrustinS the twigs as gathered is
called stick lac; the resin crushed
to small fragments and washed in
hot water to free it from woody
particles and coloring matter is
known as seed lac or grain lac, and
this when melted. strained through
thick canvas and spread out into
thin layers, is known as shellac.
@. Is night air unhealthfuI?-
T. r. b.
A. Night air, in spite of the theories
of our grandparents, is just as health
full as day aid. 1t is even more puri-
flying, for it is less laden with dust
and humidity. Cold air, moreover.
according to recent experiments, has
| been found to be even more health.
giving than warm air.
@. When is Dominion day in Cana
| da?-W. A.
| A July l is so-called. because it was
| upon this day in 1867 that Canada
| came into being as a self-governing
| Dominion within the British empire.
| its constitution resting upon the
British-North America act OF 1867.
| O. Does Los Angeles get its water
supply from Nevada?-W. W. H.
! "A Los Angeles is supplied with
water by an aqueduct 235 miles long
| which carries water from mountain
streams, particularly from the Owens
River and Owens Lake, which are
| wholly within the State of California
| The latter part Of the upper end of
| the drainage area may be said TO be
in Nevada.
| Q. What is meant by p. 3. " which
! often appears in wanted columns for
! operators, stenogra piers, etc. ?-J. :.
| A Z. b. Y. is a term applied to Il
| telephone switchboard and means pri-
vate branch exchange.
q. How many electric lights were
used at the Chicago worlds fair?-J.
+. OBJ.
| A. The contract required furnishing
| SO, 40 incandeSCent lamps of 16-candIe
! power and 6.212 lamps Of 10-candle
! power. The contract price was S399,-
| 600.
Q. Flow can l cut oil of flowers for
| extract without alcohol?-J. c. K.
y. There is no way to make an eX-
I H. II -
/ flowers may be mixed with glycerin,
but this product would not be an eX-
/ tract.
! @. How many parts of violin are
! therein. y.
| y. There are 40.
! Q. Why do the waters Of the Sague-
nay appear black as ink?-M T. r
\. The waters OF the Saguenay
! River in Canada are blackened by the
| shadow of treeleSs cliffs, some OF
| which are over 1000 feet in height.
| The precipitancy Of the banks CON
| tinuc below as well as above water.
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| tanned by this paper in WASHINGTON
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