The San Francisco call., 1910-07-18
Answers to Queries

WHITE AND BLACk-Subscriber. City. Is
black and is white each original color?
The primary colors are red. orange.
yellow, green, blue. indigo and violet.
White is defined as the color seen
when sunlight is reflected without
sensible absorption of any of the Wis
ible rays of the spectrum, the color
which is devoid of any tint and is the
opposite of black" White is known
by p varieties of names in the color
world. Black is defined the "ab-
sence of color or the darkest of all col
ors; the color opposite to white" There
are known to the color world AZ diff
ferent varieties of black.
building of the saez canal original with De
Lesseps?
No. The first connection between
the delta of the Nile and the Red sea
was made with. a channel to carry
water about 1900 B. C. Subsequently
a canal was started by Darius Hy-
taspes and was then taken up by va
rious rulers, but it always filled with
sand and the canal was not finished.
Napoleon l took up the idea, but gave
it up as impossible. In 1854 De Les
seps started the work of building the
canal and carried it to successful COM
pletion.
properties of the telescope as to magnifyinc OBJ
jeets or drawing them to the observer?
A telescope assists the eye chiefly
in two ways; first, by enlarging the
visual angle under which a distant
object is seen, and thus magnifying
that object, and, secondly, by collect
ing and conveying to the eye a larger
beam of light than would enter the
naked organ, thus rendering objects
distinct and visible which would other
wise be indistinct or invisible
obtain information in relation to the eultiva-
tion of mushrooms in this state, also books on
the mushroom?
Information in regard to the cultiva-
tion can be obtained from the horticul-
tural bureau. ferry building, or from
the experimental station at the state
university, Berkeley. Books on the sub
ject are to be found in the free public
library in Hayes street near Franklin.
MUSIC Subscriber, Berkeley. Who first
composed music?
Moore in his Encyclopedia of Music
says: 1.-THE master mind who first con-
ceived the possibility of recording
his thoughts on and in few parallel
lines, by means of dots and scratches
was one who will. have as great fame
as Cadmus," but Moore does not tell
who that master mind was, nor do any
of the other books on music.
SWALLOW Subscriber, Oakland. why is the
swallow called the bird of consoation?
According to a Scandinavian legend
this bird lowered over the cross of
Christ, crying "Svale svale" (Cheer
up, cheer up), and hence it received the
name of savale, the bird of consola-
ton.
ToRRENS-A. c.. Alameda. What is the
..Torrens law system:
1t is system of registration of
titles to real estate which was devised
in its present general form by Robert
r. Torrens and first promulgated in
the form of law In South Australia in
1857.
TO MOUNT DIABLo-C. X. E.. City. Sew
eral young men want to make the ascent of
Mount Diablo. From which point should they
start?
From either Walnut Creek. Contra
Costa county, or Livermore, Alameda
county.
READ AND NEUTRALITY-SUSPICIOUS.. City. What
is the number Of white inhabitants in each as
sembIy district in San Francisco who can read
and write?
1t is Impossible to asnwer this at this
time 1t will appear in the census re-
port recently taken.
sPEED-x. r.. city. What speed can a mo-
torcyele and a bicycle make, unrestricted, on
the dead level?
a motorcycle, horsepower. carry
ing two persons, will make 40 miles
an hour, while bicycle will go from
Il to Is miles an hour.
CURLY HAIR-Subscriber. City. What is the
popularity attributed to curly haired people?
1t is that persons who are naturally
purpose, and end by getting what they
WEIGHT-w J. H.. Tuolumne What is the
average weight of the American woman?
One hundred and fifteen pounds for a
woman feet high to ITO for one 6
feet tall. The average varies with the
height.
CREMATION-N. o. c., City. Is cremation
on the increase or decrease In Germany?
Late statistics show that there are Is
crematories in as many cities in Ger
increased about so per cent since 1907
DEFUNCTs BANK-c. V. H. City To whom
shall | apply in the matter of claim against q
recently defunct bank:
Call on the receiver for the bank.
HAIR-Mrs. NJ NJ. D., Sebastopol. wha,
will remove superaous hair from the face?
The electric needle or depilitories,
sold by druggists.