Freeland tribune. (Freeland, Pa.) 1888-1921, 1894-05-21
SCIENTIFIC AND INDUSTRIAL.

A locomotive is made OF 54l6 pieces.
"Powellite" is new metallic com.
pound.
Strawboard is used in the manufac.
ture of passenger car wheels.
The Health Commissioner of Brook
1yn has started crusade against un.
sanitary Sunday schools and dancing
academies.
The Liverpool EnglandD electric
railway, which has been in existence
about year, has proved completely
successful i'll operation. 1t is five
miles long.
Edison has perfected and taken per.
feet plates with his kinetoscope, an
instrument by which serious of pict-
ures can be rapidly taken of person
or object in motion in what is practi-
cally II single picture.
A new enemy of the vine in France
is gnlleyworm, or myriopod, which
has been observed by M. Fontaine to
invade the buds in numbers ranging
from five to ten on a bud, forming balls
VI iHt SlZe Vi IL pea.
1t is announced that Paris is to
build, for the purpose of handling
World Fair visitors in 1900, tubular
railway eight miles long, in which trains
will run on two minutes headway.
Electricity will be employed for NOV
ing the trains.
In water in which decaying vegeta-
bles have been infused the microscope
discovers things so minute that 10, 600
of them would not exceed in bulk u
grain of mustard, though they are sup
piled with organs as complicated as
those of whale.
AS the result of series of expert
ments, Professor Baily, of Cornell,
has proved that peppers can be graf
ted on tomatoes and vice versa. In
the use of material for herbaceous
grating the wood should not be too
young, but rather approaching matur-
ity.
DIR. Won Blarcom, one of tho most
distinguished physicians in Berlin, ex-
presses the opinion after careful in
vestigation that coffee long boiled pro-
duces more indigestion than any other
substance taken into the human
stomach, and that simple infusion
facilitates digestion.
An instrument has been invented
for sounding the depths of the Sea
without using n lead line. A sinker is
dropped containing a cartridge, which
explodes on touching the bottom; the
report is registered in microphone
apparatus and the depth reckoned by
the time at which the explosion oc-
Cured
In the course of some experiments
on the effect of changes of temperature
in the pupal stage of butterflies by Mr..
Merrifeld, some Vanessaio showed the
gradual disintegration by exposure to
a low temperature of the eyelike spot
on the forew wing, which, in the ex-
treme specimens. ceased to be an
ocellus.
Experiments have been tried with to
ascertain il color has an effect on Ger.
tain forms of disease. In making this
test a number of smallpox patients
were placed in room to which only
red light was admitted. The patients
were for the most part those suffering
from unusually severe attacks, and
about half of them being unvaccinated
children. In spite of the violent form
of the malady, they all made speedy
and safe recoveries, with very little
fever and but few scars.
Benedict has relieved case of
writer's cramp by injecting carbolio
acid in the neighborhood of sensitive
point in the course of one of the fexor
tendons of the related forearm. Langes
has succeeded in overcoming writer's
cramp by having the pen held between
the second and third fingers in such
way that the holder rests upon the
latter at an angle of from 10 degrees
to 125 degrees, while it is supported
below by the thumb, the index finger
resting lightly above.
Those who have made study OF
bird habits say that birds of almost
all sorts are rather the friends than the
enemies of farmers and gardeners.
Not only do the song birds by destroy.
ing insects earn their right to eat n
few berries, but even the crow that
generations of farmers have scared and
killed, is said to prefer insects to corn,
and often to be in the very act of de-
stroying pests when farmers suppose
him to be maliciously bent on undo.
ing the work of the soMer.