The Londonderry sifter. (South Londonderry, Vt.) 1883-19??, 1890-01-02
SCIENTIFIC AND INDUSTRIAL.

Leonard Waldos proposed remedy LOT
the dangers of electric lighting.
After three years of observation and
experiment, G., H. Failyer, of Kansas,
concludes that about three and half
pounds of nitrogen are annually added to
an acre of soil by the rains.
After the 31st of March next, all life
boats in England will be required to
carry gallon of vegetable or animal oil,
in distributor of approved pattern,
for quoting the sea in rough weather.
The collection of Corean books lately
acquired by the British Museum possesses
considerable interest and importance. It
consists of Corean editions of the Chinese
classics, of native historical works, and
of novels.
A st. Louis physician finds hypnotism
very useful in his practice. He hypno-
ties patients and performs surgical ocper
ations without INJECTING pain. He can
make people believe that quinine is sugar,
and that water is milk.
James S. Carlton, an aged man now
living in Baltimore, claims to have been
the first discoverer Of the peculiar effects
of cocaine. He says that as early as 1S49
he was familiar with the properties of the
drug and made use of them in his own
family.
The German naval authorities are said
to have been making experiments lately
with torpedo boat built of compressed
paper. The vessel is eleven feet long,
and was found to show great strength
and more elasticity when rammed by
another boat.
Milk shake, an invention which prob
ably had no useful purpose originally
save to provide a new kind of drink, has
received the Endorsement of Philadel-
phia physician, who pronounces milk
much more digestible after it has been
shaken Jnan III It's UIainary votidition
As remedy against electrical sun
stroke" as the affection is called which
attacks men exposed to the intense rays
of the electric arc, by means of which
metals are fused and welded, is a veil or
mask of glazed taffeta, supported by a
wicker headpiece aud provided with
goggles of gray glass.
The consumption of food per head in
Victoria, Australia, is in excess of that IL
America and Europe. and yet the climate
of Australia requires that man should
eat less. The increase of hepatic and
nervous diseases in Australia is thought
to be due largely to the amount of meal
consumed by its inhabitants.
According to the traditions of thu
Maori, their ancestors first arrived in New
Zealaud from an island in the Pacific
Ocean, to which the name of Hawaik
is given. Since that event it appears
from genealogical sticks kept by thu
tohungas, or priests, that about twent,
generations of the race have lived.
! A new Persian dye plant, the zalil, ha'
been discovered in InTla. 1t grows freel!
in Afghanistan and Khorassan, and it
flowers, which are of bright yellow
color, are dried and used as a dy'
throughout Persia and Upper India. |
is perennial, and the blossoms grow OIL
spikes two feet high. They are used al
medicine, as well as for dyeing purposes
A new calculating machine has jus
been invented in France, and obtained
gold medal at the Paris Exhibition. TIL
inventor is NJ. Bollee, clever machinist
already favorably known by other usefu
inventions. The machine does addition
multiplication and division with aston
ishing rapidity, and all by the turn of tn
wheel NJ. Mascart recently gave an &C
count of the invention before the Acad
envy Of Science.
Opium is obtained by cutting the cap
sule of the poppy flower with notche
iron instrument at sunrise, and by tn
next morning drop or so of juice ha
oozed out. This is scraped off and save
by the grower, and, after he has vess'
full of it, it is strained and dried.
takes great many peoples to make
pound of opium, and it goes through
number of processes before it is read
for the market. In a liquid state it look
like dark strawberry jam.