The Colfax chronicle. [volume] (Colfax, Grant Parish, La.) 1877-1981, 1888-07-21
I SCIENCE AND INDUSTRY.

There are in all seven species OF
parasites known to prey on the Hessian
fly. Miss Ormerod. an English woman.
famous for her insect knowledge. has
Matched them out and classified them.
DIR. Henocque. of Paris. has invent
ed new spectroscope for investigating
the changes in the blood. 1t is expect
ed to prove of Importance in studying
nutrition.
1t is estimated that over $4,000
pianos are in use in the city OF Brook
Ign alone. In the opinion of some peo-
pie the time is fast approaching when
piano will become o necessity instead
of luxury.
Prof. w. Mattieu Williams offers rs
better explanation than the old one
of the zigzag course of lightning that,
owing to variations IF moisture. the
conducting power of different portions
air is variable. and the electric dis
charge follows the course of least resist
ancc.
There are 337 blast furnaces in
operation in the United States. produc-
ing 125, 539 tons per week. and BIB
idle. with a weekly capacity of 122.042
tons. The anthracite capacity has in
creased from SO, COZ tons weekly year
ago to 5,27S now.-Pubiic Opinion.
The bacillus of cancer Is hard to
find, and DR.. Scngcr reports to the
Berlin Clinical Society that he has been
unable to verify observations claimed
to have revealed the organism. Cancer
appears to be peculiar to man. as it has
never been inoculated in the lower ami
mails.
"A new kind of glass has been in
vented in Sweden which is asserted to
possess wonderful microscopic power.
While the highest power of an old
fashioned microscopic lens reveals only
the 1-400. 0O0th part of an inch, this new
glass will enable us to distinguish
1904. 700. 003th part of an inch.
Picture frames are now made Of
paper and colorcd like walnut. and arc
so perfect that no one could detect then
without cutting them. Paper pulp
glue, linseed oil and carbonate Of lime
or whiting are mixed together and
heated into thick cream, which. OF
being allowed to cool. is run into mold!
and hardened.
Tho trade in birds for women!
hats was so enormous last year that ;
single London dealer admitted that III
sold two millions of small birds OF ever,
kind and color. At one auction in on
week, there were sold 5000 birds o
paradise. 5000 lmpeyan pheasants
100000 humming birds. and Other
birds from North and South America
and $50. 900 fcathered skins from India
According to General lilo. tn
continents average deg. c. GA deg
Fly colder than the oceans between til
ATTITUDES of 80 deg. N. and so deg. S
The New Continent is deg. colde
than the Old; and the Atlantic rs deg
colder than the Pacific. The northern
hemisphere contains IA per cent. of tn
cold regions. IS per cent of the TEN
perate and 81 per cent of the hot.
IAN automatic safety engine.
burning kerosene oil, is said to be a
that its name implies. The scvera
parts are so well designed that a he
bearing has never been known as We
The fuel is kerosene oil. Mt the exceed
ingly low fire test of 10 10 lis d.
grees. which makes a cheaper fuel tina
hard coal at $1.50 per ton. Thes
engines are adapted to great variet
of work. from running sewing mi
chimes to driving elevators. They wi
never fail where fair usage is granite
them.
-Celluloid has recently been used
substitute for copper in sheathing IL
bulls of vessels, and has been found
answer the purpose admirably. Plat
Of this substance have been applied
number of vessels and allowed to r
main six months. At the end of tn
time the parts of the hull left uncover'
were found to present abundant CT
lections of marine negotiations, viii
the celluloid was intact and free fro
any such vegetable masses. 1t Is sa
that it can be applied to the hull
very thin plates and vet answer all
mands for solidity, resistance to chez
ical action, etc.--Iron Age.
TIE BAD RED DOG.