The Forest Republican. [volume] (Tionesta, Pa.) 1869-1952, 1889-08-07
SCIENTIFIC AND INDUSTRIAL.

A typewriting machine that will use
script is promised before long.
Organ playing by electricity is feat
ure recently introduced in France.
The English are contemplating an idea
to lay down a postal tube between Dover
and Calais.
1t is claimed that the use Of electric
light in the Suez Canal has considerably
increased the traffic.
Forty-three electrical patents in one
week show how great is the activity in
inventing new applications of electricity.
The latest railway signal indicates
automatically the time that has elapsed
up to twenty minutes since the last train
passed.
Yeast has been largely used in medi-
cine for many years, especially in Europe,
where the highest opinion is entertained
Of its valuable qualities.
The brain of the late Laura Bridgman
Is undergoing a microscopic examination
at the hands of DR.. Donaldson, at Clark
University, Worcester, Mass.
A new lacquer named "ardenbrite"
has Just been brought out in London,
England. 1t is said to be proof against
water, steam, smoke, sea air and sea
water.
An Austrian botanist has discovered
that double flowers may be artifcially
produced by mites, and believes that
each flower has its peculiar mite parasite
which gives rise to the doubling.
Pasteur's system of incubation has
been successfully used IN Australia to
check the sheep disease known as anthrax
or splenetic apopleXy, which has been
taking off 200, 900 sheep per year.
Adolphus Andreas, the inventor of the
American. jackscrew, died in New York
recently, aged ninety years. He was the
oldest mason in the State, and one Of the
original founders of the Mechanics In
stitute.
Great Britain counts on soon having
the largest dynamo in the world. 1t is
being made for the new electric light
works at Deptford. The shaft of the
machine will be turned out of a block of
steel weighing seventy-fve tons, which
has just been cast in Glasgow.
The highest pressure used to drive
water-wheel is claimed by a valley near
Frenoble, France, where turbine ten
feet in diameter has been operated since
1875 with head of 1888 feet. A flow
of about seventy-five gallons of water
per second gives a force of 1900 horse
power.
Adolph Struthers of Hancock County,
Ohio, is bound to keep cool this summer.
He has invented fan to be placed in his
hat, which is run by an electric battery
carried in one of his pockets. He has
been using the fan for several weeks past
and says it works perfectly, and that he
does not mind the extra weight
One of the greatest advantages which
Chinese teas are said to possess over those
of India is their great wholesomeness. On
this subject the British Consul at Han
kow, in his last report, gives a table of
analysis of the two kinds of tea made by
Professor Dittmar, F. r. s., from which
it appears that the quantity of tannin in
India tea is 9.6S per cent. and in Chinese
6.01.
So long ago as 1856 James Nasmyth
told the British Association for the Ad-
vancement of Science that the thunder
bolts course was not zigzagged, as artists
for centuries had represented, but sinu-
Gus like river; and he also declared that
lightning sometimes had forks or
branches. This was the result of singu-
larly keen observation. Photographs,
however, corroborate his views in mar
vellous way.