Hopkinsville Kentuckian., 1890-05-06
seIeNes ANe INsusfAy..

-Cryoiie for making candles 10
brought from Greenland where inn
portant and little known mining operi
ations are carried on.
To the changed condition OF d vesA
sells magnetism by induction during II
! lengthy voyage may bc attributed the
loss OF more vessels than is usually
thought 10 be the case among maritime
! men.
"A law has recently boon enacted
in the German Empire prohibiting tho
use OF tin alloy in the manufacture Of
cooking, eating and drinking utensils
that contains more than ten per cent
OF lead.
Portable electric lights, arranged
TO hang on n button OF ones coat and
with parabolic reflector to concentrate
the light, with storage batteries weigh
ing II pounds each. are made TO enable
persons 10 read In railroad cars by
night
The Paris Academy of Science has
been excited over u plant called colo
casia. This plant often exhibits
trembling or vibrating motion without
any apparent cause, and rs many as
100 or 120 vibrations have been OBJ
served in n single minute.
1t is believed that the Oldest tim
bor In the world that has been used by
man is found In an Egyptian temple
which is known to be at least 1000
years old. The wood is in the form OF
ties, holding the end Of one stone TO
another. The ties appear to have been
made OF shittim wood or acacia,
Acids in lubricating oils may bs
detected by analysis in laboratory.
or by putting the sample TO be tested
In clear glass bottle with copper
wire running down. through the cork.
air tight; stand the whole In a sunny
place for two or three weeks, and then.
on removal, II verdigris or green rust
appear on the copper, an acid is in the
oil.
The number OF eggO a hen may lay
has been estimated by German nat
uralist as follows: The ovary of hen
contains about 600 embryo eggs, Of
which not more than 90 are matured In
the first year. The second year pro-
duces 120 tho third, 1875; the fourth.
III; and in the following four years tho
number decreases by % yearly. In tho
ninth year only 10 eggs can be es-
pected.
-Quicksand is composed chiefly Of
particles OF mica mixed largely with
water. When particles OF sand are
Jagged and angular any weight press
Ing on thom will crowd them together
until they are compacted into solid
mass, A sand composed of mica or
soapstono, when sufficiently mixed
with water. seems incapable OF such
consolidation, and any heavy body will
displacc thom and sink until solid
bottom is reached.
From time immemorial the Practice
OF massage has been known 10 the Fl
jians. from whom the Samoans first
and then the Tonglls. Learned the ART
The process consists In rubbing and
kneading the part, tho operation being
sometimes continued for hours; 1t
stimulates the circulation aud relieves |
pain, and is commonly used in abdomi-
nal disease. The native doctors have |
great faith in mas sa e, and it is always |
practiced by them.-London Medical
Recorder.
1t is a common opinion that ma |
chinery works with m exactness and
steadiness OF movement not to be ac-
quired by the laborer's hand. This Is
not really true. The workman can suit
his stroke to the needs OF the case as no
machine can do. and this Is proved In
the trimming OF rooing-slates. The
splitting process Is performed with
great nicely by means OF ohisels, but
the shaping Is more remarkable, and
can no. be properly executed by any
who have not been trained to 1t from
youth. The workman sits on stool
with pad on one knee and ledge by
his side. He lays the slate on the pad
on his knee, and allowing the part to
be cut to rest on the ledge, strikes II
with heavy knife. aud separates 1t In
with the greatest accuracy.
Youths Companion.
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