Semi-weekly herald., 1915-04-22
NEWEST NOTES OF SCIENCE.

nary dew.
It's inventor claims that new
leather for lining shoes is perspira-
tion proof.
Motion pictures are being used Ia
teach hygiene to the less civilized
Filipinos.
A new solder is in paste form, pack
ed in tubes, and requires no acid To
fotin flux.
The population of Ireland increased
last year by 5000, the first annual
gain in many years.
A patent has been granted for a
nursing bottle nipple in which valve
controls the flow of milk.
An Englshman has invented hold
er for drills with which they can be
sharpened on ordinary whetsones.
Direct sunlight by its chemical ef-
fects disintegrates the backing of mir
rcrs in comparatively short time.
Among natives of Great Britain
the Scotch average the tallest, the
Irish next, then the English and the
Welsh.
By the use of pyroxylin a woven
ostrich feather has been invented
that is close imitation of the genu-
inc article.
A French lighthouse is using an
electric lamp in which the filament is
wound SO closely as to resemble Il
gas mantle.
A Texas plumber is the inventor of
a hand operated tunneling machine
for laying sewer pipes without dig
ging trenches.
Coal ashes, soda and copal varnish
have been combined by German in
ventor into an artificial stone resem-
bling marble
A Pennsylvania has invented a
trap nest with which h4 can tell
which of his hens lay eggs that he
wishes to identify.
The use of pitch in making fuel
briquettes in England is said to cause
a form of cancer among workers 80
that industry.
Photographic prints can be kept
from curling by soaking them in a
solution of an ounce of glycerine 70
two quarts of water.
On the roof of bank in Monte
video there has been installed pow
erful searchlight which Eliminates
every part Of the city.
A new electric light fixture per-
mits the use of fan motor or cook
ing utensil at the same time that the
amp is in operation.
An attachment for a gas jet that
will cook almost anything as well as
A gas range would do it has been in
vented by an Englishman.
A mountaing has been invented for
flag poles erected on top of build
ings to permit them to be easily low
cred for painting or repairing.
The annual percapita consumption
Of sugar in Great Britain is about 100
pounds, as compared with about 80
pounds in the United States.
The first factory in the United
States for the manufacture of benzol
from coal will be established in Penn
sylvania in the near future.
The manufacture of small paint
brushes and hair pencils in the Ger
man city of Nuremberg gives employ
ment to 5000 men, women and chill
dren.
A new pneumatic sole for shoes re-
sembles an automobile tire in that it
contains an inner tube into which air
is pumped to keep it distended.
In China and Japan, bells are clap
PEERLESS and never are swung, their
tone being produced by striking them
on the outside with wooden mallets
An almost automatic device has
been invented to be attached to saw
handle to blow the dust out Of the
path of saw as it is being operated
Great piles of refuse around Scotch
iron and coal mines, regarded for
years as waste material, are being
utilized for the manufacture Of
bricks.
Boiling oilstones and emery wheels
in solution Of teaspoonful of lye
to quart OF water will cleanse
grease from their surfaces and pores.
A fumigating boat, used in the har-
Dor of Hamburg to rid incoming ships
Of rats, has been known to kill more
than 900 rodents on single vessel.
An alcohol torch has been invented
for many household purposes that is
provided with safeguards against
Danger when used by an inexperienced
person.
Gold and silver mines that have