The Bossier banner., 1892-07-21
@l.oo per Annun.
NUMBER 21.
SCIENCE AND INDUSTRY.

During the last seven years the land
under tillage In Victoria, Australia, has
increased by 100000 acres and the
ratable value of country lands has in
creased from e55, ,0OO, 900 to e65, 900, 600
sterling.
In the lumber season just closed in
Minnesota the cut for the year was
447, ,713,252 feet, 2O7, ,221, 900 shingles and
o7, ,697, 900 lath. This beats the record
of last year by 1O3, 1Ss, 500 feet of lum-
Der, 45,003,5 500 shingles and 17,4OO,25e
lath
The following are a few examples
of the rate of pay of women in London:
Making paper bags, 4d per i, 900; possi-
BILE earnings, IS to 9s per week. But
tonholes, Sd per dozen; possible earnings,
IS per week Shirts, I'd, each worker
finding her own cotton; can get six done
between 6 a. m. and II p. IN.
Some doctors say that flowing
boards, in addition to tempting torna'
does to blow thro ugh them, undoubt'
edly attract and retain the grip mi
crobes. From inquiries it seems that be-
whiskered gentlemen have suffered
walk about with clean-shaven faces.
DR.. Strings Motorcycles typhlops,
the marsupial mole of Australia, is
thought by Mr.. 0gilby to be connect
| ing link bet ween the monotremes (the
duck bill and spiny anteater) and the
marsupials. Several English natural
lists think that it's affinities are closer
to the monotremes than to the latter
mammals.
An industrial association of Paris
has published the electro-chemical
method of sharpening files. They are
suspended for twenty minutes from
metal plate in mixture of one hundred
parts water, six parts nitric acid and
three parts sulphuric acid. The cor
rision takes place in the cavities, sharp
ening the edges.
The most delicate scientific machine
vet produced has recently been COM
pleted by Prof H enry Rowland, of the
Johns Hopkins university. tits intended
for studying the movements OF liked
stars, and is so delicate that it can rule
l 200, 900 lines to the inch. Even with
the strongest microscope, only about
100. 900 lines to the inch can be detected
by the human eye.
Secretary Langley, of the Smith.
sonian Institution, says that by put
ing dozen firefies in a cage together
the Cubans obtain continuous light
bright enough to read by. This light
has no heat and seems to be produced
by no expenditure of energy. In all
known artificial light the waste is oveE
90 per cent, SO that if this waste could
be avoided the light. given would be
nearly 100 times as great'as under tbs
present conditions.
in South Africa nature furnishe:
ready to hand substitute for the f1y
paper Americans have SO patiently tC
} prepare, in the shape of plant botan
cally Roridula dentdtd. 1t grows severa
, feet high, and is hung in rooms of thu
colonists to catch flies, just as the arti
! | fetal article is here 1t is closely allieC
, to the Droseras, the Sun-pews of ou
2 swamps, made so memorable by Mr.
: Darwin's works, in which he show
5 that these plants catch insects for tn
$ direct purpose of eating them, that the.
r are really carniverous plants.
The rapid strides which the soutl
! is making in industrial and nateria
e prosperity are shown by the striking
e figures presented by Mr.. Carroll d
: Wright, United States Commissioner o
p Labor. in an address at Nashville. Il
4 ten years-from 1880 to isoo-cotto'
h mills increased in number from 161 t
s34, spindles from 100000 to 100000
G and the value of products from $4,000
L 600 to s54 100000. During the sam
% period the capital invested in woole
IS manufactures increased from 81, 10000
S to 10000. 900. In 1880 the banking car
1t ital of the south was S92, 900, 900; in 1S9
is it was s171.0OO,OO0. The total capita
'r invested in manufactures and establish
ID ments of all kinds rose from $179, ,0OO, ,0C
y in 1880 to 1851, ,OOO,O in 1S9O.-N.
" Herald