Juniata sentinel and Republican. [volume] (Mifflintown, Juniata County, Pa.) 1873-1955, 1894-01-17
SCIENTIFIC AND INDUSTRIAL.

To make ice by artificial means re.
quires one ton of coal to produce from
rom five to ten tons of ice.
A large sewing machine, weighing
three and one-fourth tons, is in use il
Leeds, England. 1t sews cotton belt.
rg.
The average weight of the Chinese
average weight of the brain in any othe'
ace.
Hard coal loses eight per cent. in
oulk per annum when exposed to the
weather. Soft coal loses twelve PEI
;ent.
Experiments have shown that pump.
kin will lift two and one-half tons, pro-
vided the weight is placed so as to
Interfere with the growth and develop
uent of the vegetable.
The temperature of the Mediterra-
nean at 200 fathoms is about fifty-six de.
grees, and no change is found in going
10 the bottom, which in places reaches 3
lepth of 1900 iathoms.
NJ. Chappuis's proposed electric rail-
way through the Simpion Pass is estl-
mated to cost IS, oOi 900, and it would
greatly reduce the distance between
taly and Northern Europe.
The cost Of the observatory whic b is
low being built on the top of Mont
Blanc, Switzerland, is estimated at S60,-
200. Part of the building is to be made
Evallable for guides and tourists.
The central Sahara registers mean of
1inety-seven degrees in July. Central
Australia boasts of ninety-four degrees in
January, mean which is attained in
south Carolina and Inner Arabia in mid.
ummer.
A British scientist recently stated thai
f man weighing 14O pounds were
placed under hydraulic press aud
,queezed fat, the result would be los
pounds of water and thirty five pounds
II dry residue.
A laboratory for ths study, under
strict scientific conditions, of snake poi
sons and cures for snake bites is to be
established in Calcutta. 1t is to be
founded by a native, and will be the
only institution of its kind IN the
world.
An excellent method for waterproof.
ing the surface of wall is to cover il
with solution OF soap. After twenty.
four hours a coat of lime solution is ap.
piled. This process Is repeated several
times, and is claimed to make the wal
perfectly water tight.
The researches of many observers, as
reported upon by DR.. Buchan, show that
the ocean currents cause the temperature
of the west side of the Atlantic, at
depths from 100 to 500 fathoms to be
nearly ten degrees warmer than at the
'ame depths on the east side.
NJ Marcy, the well known investiga
tor of animal movements by means of in.
stantaneous photography and the zoc-
crope, has now succeeded In rendering
the beating of living heart visible to
the eye. All the phases of the move.
ment can be followed and properly ex.
amined by this new method. The heart
employed Ia this experiment was that OF
I turtle.
Official statistics of the colera epidem.
ic in Germany last year, and up to its
practical disappearance, show that the
number of deaths from cholera was
$40. Nine-tenths practically of this
number were in the city and State of
Hamburg, where the total number of
was 7611-1.22 per cent. of the whole
population. The statistics show that
the cholera spread up the rivers from the
center around Hamburg with diminish.
virulence.
Pi,ch pine beams will shrink in thick
ness from eighteen and three. quarter
inches to eighteen and quarter; spruce
from eight and half inches to eight
ani thIee-eights; white pine from
twelve inches to eleven and seven
eighths; yellow pine a trihe less.
Cedar beams will shrink from width
OF fourteen inches to thirteen and
quarter; elm from eleven to ten and
.hree-quarters, and oak from twelve tc
even and three-eights.