St. Tammany farmer. [volume] (Covington, La.) 1874-current, 1888-01-21
SCIENCE AND INDUSTRY.

/
I'm Russia $4,000 persons are On
gagged in the tobacco industry.
Tho petroleum refners Of tn,
United States consume about nine mil
lion pounds Of sulphuric acid pei
month.
The art of paper making hal
reached = point where . growing tret
may be cut down. made into paper, and
turned out rs newspaper, all within
thirty-six hours.
The curious fact that acute rheu.
matism is less prevalent in rainy
weather than in dry weather. has been
observed by several European physi.
clans who make specially Of treating
rheumatic disease.
XThe amount Of force exerted BY
heat and cold in expansion and con-
traction Of metal is equal to that which
would be required to stretch or COM
press it to the Same extent BY mechanic
al means.-Boston Budget.
DIR. Murray. of the Royal Society
Of Edinburgh. estimates the mean
height Of the land of the globe to be
between !. 800 and LOO feet the latter
limit being probably the moro nearly
correct. Humboldt's estimate of the
mean height Of the continents was
1000 feet.
"A new species Of water-plant which
grows on the back Of the living water
tortoise. has been described BY Mr.. n
C. Potter, Of the Linnean Society Of
London. THE plant enters the cracks
Of the tortoise shell. penetrating per-
pendicularly and horizon ntally to the
plates. imbibes the water from outside,
but does not derive nourishment from
the animal juices" IN T. Ledger.
"A new British industry il the prep
aration Of basio Stag for agricultural
manure. The material IL pulverised
BY machinery to such IN extent that
the finished product will pass through
. sieve If 10000 holes to the square
inch. The fertilizing properties Of this
Stag are due to the large propurtion Of
iron and phosphoric acid which it con-
tains.
Tho subject Of premature badness
is one in which q vast number OF per-
sons take direct and lively interest.
According to the Laseet, there IL little
doubt that such badness is increasing.
and it is difficult to give any satisfac-
tory scientific explanation Of the fact.
That journal does not attribute much
importance to the suggestion that tight
hats are injurious. but it declares that
harm may b done in time BY washing
the head every morning. and neglect
ing to replace the oily material thus re-
moved.-N r Ledger.
Mrs. Croly. better known a.
'Jennie June" is president Of the
Womcn's Endowment Cattle Company.
lately incorporated under tho laws Of
New Jersey. Tho capital stock is
e1. 500. 600. divided into 5000 shares Of
$500 each. Every share represents .
certain number Of cattle. which arc to
he kept breeding for six years. and .
propor,ionate interest in ranch prop
critics. The company controls about
10000 acres Of pasture land in New
Mexico. and has 6. 600 head Of cattle on
its ranch. 1t is designed - IN endow-
mcnt investment for children.-Paolie
Opinion.
The discovery Of . new gas 10 .
rare and important event to chem
lists. Such . discovery has been an
nounced in Germany BY Dr.. Theodore
Curtius. who has succeeded In prepar-
ing the long-sought hydrids OF nitro
gen. amidogen. diamide or hydrazine.
~ it is variously called. This remark
able body. which has hitherto bsfled
all attempts at isolation. ID now shown
to be gas. perfectly stable up TO very
high temperature. Of . peculiar odor.
differing from that Of ammonia. exceed
ingly soluble in watcr. and of basic
properties. In composition Il ID nearly
identicaI with Ammonia, both being
compounds Of nitrogen and hydrogen.
Public OpiSion.