The Forest Republican. [volume] (Tionesta, Pa.) 1869-1952, 1891-10-28
SCIENTIFIC AND INDUSTRIAL.
Coffee acts as a germicide.

'N P'N"0Ni S-DOoVe aio suSCcSsIuis
An automatic electrical pump has ap.
peared.
A process for photographing in colors
has been patented in London.
1t is estimated that the coal strata un-
derlying Colorado exceeds 80, 900 square
miles.
To make, cloth that is used in lining
shoes waterproof, use oiled silk or heat
the Innings in melted paraffin.
A station Of the maritime zoology of
the Johns Hopkins University has just
been opened at Port Antonio in Jamaica.
A society has been formed at Berlin
for the purpose of cooperating in as
Economical and meteorological re-
searches.
A mining corporation in the copper
region of upper Michigan will sink the
deepest shaft in the world-over 1000
feet, at least.
Minute electric lights are successfully
used in dentistry, making the very small
cavities visible when they would other
wise escape notice.
BY recent appliance to kitchen
ranges the refuge from the kitchen is
thoroughly dried, converted into char
coal and used as fuel.
Although diamonds will stand q very
high temperature when held in vacuum.
the admission of air causes them to burn
almost as readily as coal.
A recent invention used in factories
enables any person in any part of the
factory to stop the main engine by simply
pushing an electric button.
Edison is now at work on an electric
motor to replace the ordinary locomotive.
1t is designed to take up electricity from
central rail and to develop at least one
thousand horse power.
The French have planted works at
Havre, France, for utilizing the ebb and
flow of the tide to work turbine wheels
to generate power for the dynamos to
supply Paris with light.
Small cups are now being used with
great success by oculists for the cure of
long-sightedness and kindred diseases of
the eye. The cupping restores the cir
culation and strengthens the tissues.
A new invention by which it is said
that the stamps on 40, 900 letters can be
Cancelled in an hour is on trial in the New
York Postoffice. 1t is operated on the
rotary system, and is run by electricity.
A new treatment for yellow fever has
cured every case of this disease in San
tiago de Cuba. The principal part of
the new process consists In placing the
patient in what is termed 'polar"
room.
In establishing the longitude of Nc.
Gill College in Montreal, Canada, by
means of the telegraph, it was found that
it took the electric current Los seconds
to cross the ocean and return, distance
of 5000 miles.
At the naval exposition in London,
there is colossal electric lamp, con-
structed by the admiralty. 1t gives
light equal to that of 5000, 900 candles,
and is placed in a model lighthouse,
tifty-six meters above the ground.
Notwithstanding the assertion that
there is no animal life in Death Valley,
the Government surveying party has
found 200 varieties of mammals and six
ty varieties of reptiles, specimens of
which have been forwarded to Washing
ton.
There are said to be no moles in Ire
land. Mr.. G. |. Trusted, of the British
Naturalists' Society, has never seen
mole-hill in that country, and an ac.
quaiutance of his at Belfast,a naturalist,
says, at is a fact that moles do not exist
in Ireland"
Progress in electric roads can be seen
from the following: In 1885 there were
only three in this country. Now we
have 325 roads, with 1000 cars. The
cost per car mile is IS. IL
cents, while Tor horse cars we have IS. 16
cents and for cable ii. ~ cents.
Electric welding has now become al
most universal in large establishments.
The use of tlux is unnecessary. Elec-
tricity is now used for making forgings,
lugurs, railroad spikes, ball bearings, aud
many other articles hitherto made by
hand or by expensive machinery.
A fall of about thirty feet between
Lake Superior and Lake Huron at Sault
Ste. Marie give probably one of the great
,st water powers in the world. 1t is to
De utilized on the Canadian side by a
ace and on the American side by canal
1000 feet wide, and giving 26O, 900 horse
power.
Professor Karl MYer, who is conduct,
ng the Government experiments for pro-
iucing rain ardicially, has invented
What he calls "sky bicycle" 1t is
orpedo-shaped balloon, to which is sus-
pended machine similar to the frame
work of bicycle. Curious paddlewheel'
'roduce the propelling power for the
pparatus.