The Colfax chronicle. [volume] (Colfax, Grant Parish, La.) 1877-1981, 1894-10-27
SCIENCE AND INDUSTRY.

--Racent ex .inents in London
prove beyond any possibility OF oouo'
that flies are rrost successful injection
carriers of the cholera bacilli, and there
Is no reason to think that they do not
carry other disease germs, too
A cubic foot of cork weighs l.9
rounds: coal, Sc pounds; EARTH "a
hounds. hay. 0 pounds; ice, 5719 pounds;
copper, 547 pounds; cast lron' 4oo
pounds; gold, 1,2oSX pounds; piatina'
| l,2l9 pounds. -.s -.
AS the alcohol ingested escapes
from the body in an ,a!tered state IL
cannot. of course b, looked upon as
possessing any aim ,atary value. Ac-
cordinp to DIR. K. Smith, alcohol does
not increase the production OF heat IN
the body as chemical agent, but by
the mower it possesses of stimulating
the activity of the vital functions.
South Africa bids fair to hold
second place among the worlds gola
producers this year. The May output OF
the Transvaal mines shows an output
above that of the past year. The total
output of the Witwaterstrand mines
for the five months ending with May
was equivalent to d50,0oo fine ounces
of gold, indicating possible produc-
ton of about 100000 fine ounces ior
the present year. Other mines are oe-
. ing opened up in new districts--Age OF
Steel.
-Sisal hemp is being so successfully
cultivated in Jamaica, that next year q
considerable quantity of the fiber VIII
s be exported. The plant can be grown
. ON barren lands and impoverished soils,
a which are worthless for other crops.
2 The climate of the island is very favor
a,le to its growth and it is destined te
s become a great boon to the planters.
Il The average yearly wine .produc
e tion of the world is about eighty bill
Q lion gallons, of which Italy, Spain anc
h France furnish about one-tenth eacn
or together. about one-third OF tn
,e worlds product. In Italy, where farm
:, labor is one-third of the price 1t IS Il
So the United States, the soil for vine
10 ward is turned up to great deptn
which is one reason why Italy Is Tn
Of finest wine-growing country In ID
Id world.
as There is photograph took thu
y. ty years ago. said photographer
as showing a picture of a cottage some
a. where out on Long Island. "You SET
= Il is almost as clear and fine as an.
thing we get now. The truth is thu
the progress of photography has M
been so great in these thirty years
~ most persons think. We've develops
he speed, and we have produced moi
ed rapid developers that are easily ha
no. dIed. but they are not so satisfaction
es. in other respects. eAE
ne -Jupiter is larger than all the pla
rtv cts and planetoids rolled into one. ID
a. although he is much larger than o
me earth, he is not as heavy as his 81
eli would make him appear. II we cou
in place a large pair of scales on the 81
n. face of the sun, with Jupiter on
III scale and our earth on the other,
-. would find that Jupiter weighs o
80. three hundred times more than
rtv earth.
ly Already the microscope has n
u,u dered vast domains of knowledge
'.y cessib,e: it enables us to trace the
my ner changes of development, the
'''s tient growth of protoplasm, the c.
vulsiye changes of the fertilization
seed. to determine the existence or
sence of disease, to watch physiology
processes. But it is believed that tn
is still greater future in store
microscopy. In the direction OF thr
\ ing more light on the hidden secrt
of organization the possibilities app
almost limitless-
in lecturing on the ruby at
= ROYAL institution, London, recen
II Prof. John w. Judd, the weii-kne
I'M English geologist, alluded to
= changes in color which certain ki
NJ of glass undergo when exposed to III
M The green glass panes in the conse
~ tories at Kew gradually change thro
. shades of yellow to purplish hue
= der the action of light. Rubies cha
. color in curious way under the &C
- of heat. Blush rubies turn greer, an
W cooling regain their original tint.
blue sapphire turns white and the
e on low corundum crystal becomes or