Essex County herald. [volume] (Guildhall, Vt.) 1873-1964, 1893-03-10
for anyone over twenty years old!-The
| Ieduar
SCIENTIFIC AND INDUSTRIAL.

To make ice by artificial means re.
qu'res Que ton of coal to produce from
from five to ten tons OF ice.
A large sewing machine, weighing
three and one-fourth tons, is in use in
Lee is, England. 1t sews cotton belt.
irg.
The average weight of the Chinese
brain is said to be heavier than the
average weight Of the brain in any other
race.
Hard coal loses eight per cent. in
bulk per annam when exposed to thu
weather. Soft coal loses twelve per
cent.
Experiments have shown that pump
kin will lift two and one.half tons, pro-
vded the weight is placed SO as to
interfere with the growth and develop
ment of the vegetable.
Tue temperature OF the Mediterra-
mean at 200 fa'homs is about fifty-six de.
grees, and no change is found in going
to the bottom, which in places reaches
depth of 1900 iathoms.
NJ. Chappuis's proposed electric rail-
way through the Simpion Pass is estl
mated to cost IS, 600, 900, aud it would
greatly reduce the distance between
Italy and Northern Europe.
The cost Of the observatory which is
now being built on the top of Mont
Blanc, Switzerland, is estimated at $780,.
600. Part of the building is to be made
available for guides and tourists.
The central Sahara registers mean OF
ninety-seveu degrees in July. Contra
Australia boasts of ninety-four degrees in
January, a mean which is attained in
South Carolina aud Inner Arab ia in mid.
summer.
A British scientist recently stated that
if man weighing lao pounds were
placed under hydraulic press and
squeezed fat, the result would be los
pounds of water and thirty five pounds
of dry residue.
A laboratory for thu 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 native, and will be the
only institution of its kind ~ the
world.
An excellent method for Waterproof
ing the surface Of a wall is to cover il
with solution of soap. After twenty
four hours coat of lime solution is ap.
piled. This process Is repeated everal
times, and is claimed to make the wall
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 t
depths from 100 to 500 fathoms to .
nearly ten degrees warmer than at the
same depths on the east side.
NJ. Marcy, the well known investiga.
tor OF animal movements by means Of in.
Simultaneous photography and the zoe
trope, has now succeeded IN rendering
the beating of living heart visible to
the eye. All the phases of tue move
ment can be followed and properly ex-
amined by this new method. The heart
employed in this experiment was that of
u turtle.
Official statistics OF the coiera epidem.
ic in Germany last year, aud up to its
practical disappearance, show th.t the
number of deaths from cholera was
$50. 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
ing virulence.
Pitch pine beams will shrink in thick
ness from eighteen and three quarter
inches to eighteen aud quarter; spruce
from eight and half inches to eight
and thee Fights; white pine from
twelve inches to eleven aud seven
eighths; yellow pine triae less.
Cedar beams will shrink from q width
of fourteen inches to thirteen and a
quarter; elm from eleven to ten and
three-quarters, and oak from twelve to
eleven and three. Fights.