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


A tvpewriting machine that will use
script is promised before long.
Organ playing by electricity is a feat
ure recently introduced in France.
The English are contemplating an idea
to lay down a postal tube between Dover
and Calais.
IL 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
ut 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 inoculation 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 IL
being made for the new electric ligh
works at Deptford. The shaft of thu
machine will be turned out of block o
steel weighing seventy-five tons, which
has just been cast in Glasgow.
The highest pressure used to drive
water-wheel is claimed by valley nea
Frenoble, France, where a turbine tel
feet in diameter has been operated sine
1875 with a head of 1888 feet. A floy
of about seventy-fve gallons of waite
per second gives 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 hi
hat, which is run by an electric batter
carried in one of his pockets. He ha
been using the fan for several weeks pas
and says it works perfectly, and that h
does not mind the extra weight.
One of the greatest advantages whic
Chinese teas are said to possess over tho'
of India is their great wholesomeness. o
this subject the British Consul at Han
kow, in his last report, gives a table (
analysis of the two kinds of tea made b
Professor Dittmar, F. II. s., from whic
it appears that the quantity of tannin
, India tea is 9.6S per cent. and in Chine:
, Col.
| So long ago as 1856 James Nasmyt
/ told the British Association for the Az
7 vancement of Science that the thunde
: bolts course was not zigzagged, as arts
5 for centuries had represented, but sim
, ous like river; and he also declared tn
/ lightning sometimes had forks
? branches. This was the result of sing
! larly keen observation. Photograph
r however, corroborate his views in ma
| vellous way.