The Indianapolis journal. [volume] (Indianapolis [Ind.]) 1867-1904, 1903-07-19

insect was the boll-wevil insect is not GER
tain 1t crossed into Texas and made itself
felt seriously at Brownsville in 1892
What was Richard wagner's first opera?
2. Was not his wife the daughter of an
eminent musician?-P. s. l..
die Feen." which was not produced
until five years after his death. . His Sec
ond wife was the daughter of List.
How are emery and corundum prepared
In the commercial powders? ?. And what
is carborundUm?-C. a r.
BY crushing and grinding them to
powder and then sitting to the various
sizes. 2 A material manufactured from
sand, coke sawdust and salt. and employed
for the same purpose for which emery and
corundum are used.
In physics can you give me what is known
as Charles's law?-W.
Yes: it is that if the temperature Of
given mass of gas be varied while the pres
SURGEON the gas remains the same. the gas
increases by one Observation-Disclosures
third of its volume at zero centigrade for
every degree of centigrade added TO the
temperature.
Who was the first Governor of Virginia?
j. A. L.
Thomas West, Lord de la War;, who
served under the Virginia Company from
1909 to 1911. Before him were several presi-
dents under the company. The first Cover
nor under the British crown was Sir George
Yeardley, the first State Governor of the
Revolutionary period was Patrick Henry,
and the first after the adoption of the ma
! tional Constitution was Beverly Randolph.
What extremes of temperature can man
Withstand? 2. What is the size of a silk
worm and Of its cocoon? 3. How much silk
does the latter contain?-G. X.
The recorded extremes are 81 degrees and
| 15i degrees Fahrenheit. 2. A full grown
worm is nearly three inches long. its cocoon
about the size of pigeons egg. g. One
thousand feet or a little more. but several
usually four, five or six of these strands
are necessary for one strand of commercial
raw silk.
| What is the betel nut that savages of the
| East are described as chewing?-H. w. >.
Pieces of the areca-nut wrapped in leaves
of the pepper plant that have been picked
| green and treated with quicklime. 1t is a
narcotic stimulant of sufficient strength to
produce giddiness in those not accustomed
to it, but both sexes of the Malays and
other East Indian tribes chew it constantly
in Their waking hours. and the practice
dates back to before the Christian era.
::
What is the reason for giving to the
arrnor of a battleship such thick backing
| of wood?-E s.
The only advantage lies in the protection
the wood gives to the ships framework
against shock But the backing is not
nearly so heavy as it used to be in the
days of missiles of comparatively low veloc-
ity. Then it was not unusual to have twen-
| ty inches of wood back of five inches of
metal The wood is reduced now to about
a quarter of it's former thickness.
|
Will you inform me how to prepare apple
cuttings for grating. and when is the best
time TO graft?-G. w. Z.
The cuttings should be taken while the
tree is resting Most experts think the
best time is after the leaves have fallen,
but before severe winter weather comes.
| Cuttings should then be buried in moist
soil or sand and kept cool enough so the
buds will not start, but should not freeze.
Grating is accomplished, also, with cut
tings taken i'm the spring just before the
grating is DONE Early spring or winter is
the best time for grating.
What is ultramarine, and is 1t natural
or an artificial product?-H b. A.
1t is a blue pigment, obtained naturally
from lapis lazuli and artificially by compli-
Gated treatment of ingredients it was shown
by chemical analysis to possess. A large
prize was offered by French scientific
society i'm 1924 for the discovery of way tt
make it, and was awarded four years later
The manufactured product is used largely
in printing cotton fabrics and wallpapers
many thousand tons of II being made in this
country yearly. Nature excels man. how.
ever, her product being far more durable
than is the artificial
When and by whom was the new metal
radium, discovered? 2. Is it found In the
ground in natural state, are most othel
metals, or is 1t produced by chemists P
w. T. w.
BY M. and Madame Cruie, in 1898. NJ
Henri Becquerel had, in his experiment.
two years earlier, got trace of the metal.
characteristic radiation. 2. 1t is labora
tory product, excessively scarce and costly
and is obtained only after the most labor
ious and painstaking processes of elimi
nation. With all this it has not beer
isolated in a pure state. Pitchblende, {
coal black mineral found In Bohemia, is it.
source, but contains only very minut,
quantities of 1t.