Free trader-journal. (Ottawa, Ill.) 1916-1920, 1918-08-08
SCIENCE AND INDUSTRY h

Win every improvement Mauc h
he art OF stellar photography the
number of stars in the aky seem to IL
crease, for more of these tiny specks
are brought into view. The latest es-
timated enumeration Of the visible
etars is by Sir George Darwin. who
thinks 1000 0o0, 00p is not an excessive
figure.
One Of the government departments
has iust made a directory o. the wire
less stations, commercial and govern
mental but not including amateur
plants. On our Atlantic and Gulf coasts
there are 81; on the Pacific Coast, 81;
IN the Great Lakes AZ, and in Alaska
Is, in addition to which there are
three in the interior OF the United
States, There are 334 naval vessels
equipped with wireless apparatus. and
821 merchant vessels. The total NUM-
Der of stations lis ed Is 1920, about 700
/ of which are shore sta ions.
A tribe OF Indians exist In Bolivia,
which is SO exclusive and seclusiye
that although they have lived for more
/ than 100 years within reach 81 The set.
! Elements of white men, there Is abso-
/ luteiy no inn rchange whatever be.
( tween them. The whites have at dit.
ftrent times made friendly advances,
/ but these have been repulsed On one
occasion a scientific explorer succeed
cd in securing by force, some OF the
implements made use Of by the lit
dams in filling the ground and per
forming other domestic tasks, and
these indicate that the Indians are
still living in the age OF wCcH anu
stone. Their knives are Of hard wood
and bone rubbed down to fine edge.
They seem to have no knowledge OF
the use Of metals. This constitutes all
The knowledge the whites have about
siis strange tribe II is not known ev-
en- II they live in one large tribe or
many smaller ones There Indians are
known as the Siriones and they live
"a the banks of the pilcomay0 River
The man passing along the street
win call attention to the wastetul ex
travaganee OF a smoking chimney Of
some industrial establishment and in
all probability he IL guilty OF just such
extravaganza in the care aud opera
ton of his own heater In mill and fac
tory practice the highest firing results
are obtained BY keeping steady, uni.
form heat throughout the twenty -four
hours This ia accomplished either BY
skilltul hand firing or automatic stoli.
accumulation OF ashes. The bed uni
FIRM at all times and feeding ~ fresh
: coal IL uniform. There is no piling OF
whole lot OF coal in at once, but 4
Ii,tIe at a time Good hand stocking fol
lows the same rule Apply this to yout
home furnace or heatei Tho old prdc
ice Of shaking fire down, renewing
= the ashes, filling up with coal and
turning on all the dampera, If one Of
he most was'eiul imaginable Slight
| shaking several times through the day
few shogels Of coal applied eyers
few hours and with drafts hall open
reana a uniform. steady fire tha' vii
give the greatest amount OF heat al {
: minimum consumption Of con-.
II Is entirely likely that Siberia vii
be the worlds wheat market OF th'
future This country enjoyed the dis
), tlncion, but as The scientific cultur
:, of the grain enabled The growers 4
= move farther north, the bcii was es
q tended into Canada, 40 that The cout
> try shares "A great degree IN the PR
% uct Thus il WAS discovered that tn
II corresponding attitudes IT Russia wef
n suited for wheat growing AMI the sIz
d of the crop In that country has grow
from year 10 year until the whea
grown In The Cars country has gu
stripped that of our own nf Tar q
quantity tx concerned This fact
particularly significant when II Ia rea
lied thai Russia III a rye ealing con
try. While American methods laige
enter into The cultivation Of This ere
by the Muskoyites. American mach
ARA Ia ALA. lasualy uso6