The Londonderry sifter. (South Londonderry, Vt.) 1883-19??, 1889-08-22
SCIENTIFIC AND INDUSTRIAL.

There is a paper leather imitation o
ealf-skin,
Newark, N. j., makes nine-tenths o
the patent leather,
Aluminium Is the most abundant meta
in the world, for every clay-bank con
tains il,
The so-ealled antique oak is ordinary
American oak sawed in a peculir way and
stained to look like the old English oak
Water is not what it was when the
world was younger, or as il is even now
in places where human life is not thickly
congregated about it,
What seems to be reliable account OF
case of hydrophobia cured by eating
the leaves of the maguey plant is going
the round of the Mexican press,
Several glass manufacturers have com.
bined with capital of $1,000, 900 and
have purchased the Trenton, N. j., glass
works, the largest in the world.
The largest crane in the world is at the
Chatham EnglandD dockyard. 1t lifts
240 tons, stands 1875 feet high and has a
radias of seventy-flve feet eight inches.
The quartz tibres drawn out by Mr.. c..
V, Boys are found to be only tho five
thousandth of an inch thick, and are so
small that full grown spiders cannot climb
them.
Some Canadian land surveyors report
that they have discovered in the Rocky
Mountains one of the richest coal oil de-
posits ever found. Samples showed
ninety-one per cent. lubricating oil.
The heat in Russia and other parts OF
Northern Europe has been intense of late.
The Central Observatory at St Peters
burg has not recorded such high tenn
perature at the same time of the year since
1774.
In the new style of telephone the mus
cular vibrations which accompany the
utterance of the words are transferred to
the electrodes through the medium of a
non-electric button pressed against the
vocal cords of the operator.
A stone has been discovered In Japan
which has remarkable qualities as
cement material, and can be worked up
for much less price than the imported
article costs. The cement will bear
weight Of 400 to 500 pounds per square
inch
Great Britain counts on having the
largest dynamo in the world. It is being
made for the new electric light works at
Deptford. The shaft of the machine
will be turned out of q block of steel
weighing seventy-tive tons, which has
just been cast in Glasgow.
In France the Western Railway Com.
pany have been experimenting with steel
ties for two years and report very salts
factory results where the traffic is ex-
tremely heavy, and wherever used They
are so well pleased that they have ordered
5000 additional ties of the same kind.
1t is said that patent has been taken
out to abolish sand in casting pipes.
Pipes are cast Sin super heated steam or
gas jacketed metal moulds" and are said
to have many excellent qualities. Beyond
not being porous, the pipes are uniform,
sound and true as if turned or bored by
q lathe.
The Sanitary News quotes an account
Of certain tribe in Bengal, India, the
Oswals, of Marwac, who are forbidden by
their religion to eat the flesh of any ami
NAL or to drink any alcoholic liquor, and
among whom cholera is unknown, al
though it has several times appeared
among neighboring tribes.
1t is not generally known that the
young flat fish have an eye on each side
Of the body and it is only in the adult
stage that the eyes are both on one side
There has been much discussion among
scientific men as to the mode in which
the change takes place, but in the fioun.
der it has been observed to travel over
the ridge of the head, while in some
other fish it passes directly through the
soft tissue of the young fish to the other
side.