The true northerner. [volume] (Paw Paw, Mich.) 1855-1920, 1872-10-18
Scientific and Practical,


BoRNEo has tree the nut of which
yields vegetable tallow. The trade in
the article promises to become one Of
great importance.
BLAcK.LEAD pencil or crayon drawings
may be fixed by smearing the back Of
the sheet OF paper with a solution of
shellac in alcohol.
RAW beef chopped up fine with onions
is new feed which Germans consider
cure or preventive Of dyspepsia, as
well as lung diseases.
A GRAND RAPIDS manufacturing firm
wheel quarter of mile distant, by
means of half mile of cable wire
stretched on pulleys across the Grand
river.
IT has been discovered that work in a
room covered with yellew ochre pro.
duces pain in the head and eyes, and
general melancholy and that the same
labor in the same room, whitewashed,
inspires health and exhileration.
IT is asserted upon the authority of
the contractor for removing the debris
from the Lindell Hotel lot, in St. Louis,
that the other day his work men turned
up, twenty feet below the surface, a
burning mass which had been buried
over five years.
By lining the bolt holes in wooden
constructions with a mixture of grease
and zinc filings, a French mechanic has
discovered a simple method Of preserv-
ing iron bolts, the effect of the contact
being to galvanize the iron, and thus
protect it from oxidation.
II is now proposed to utilize scraps of
leather or skin by manufacturing from
them a paper in combination with rags
or other ibrous substances. For this
purpose the refuse cuttings of any kind
of leather are taken, those of calfskin,
however, being preferred.
TYNDALL, the eminent chemist, who
was expected to visit this country dur
ing the present autumn, will delay his
visit until winter. 1t is probable that
his friends here have advised this, as a
course of scientific lectures during a
heated political canvass would scarcely
receive the attention that our people
WOulu De TAU 10 give lHeul.
The following is scale of the average
duration of animal life from the most
celebrated writer's on natural history:
A hare will live 10 years, a cat 10, goat
s, a sheep TO- a dog from II to 20, an OK
20, swine %, pigeon s, a turtle-dove
%, a partridge %, raven 100, an eagle
lO0 goose 100.
THE good effects of associated action
have never been better illustrated than
in the establishment of cheese factories
in the United States. The improve
ments that have been introduced into
the manufacture Of this important arti-
Gle of diet have through this agency
been so great that the American pro-
duct now completes with the best En-
glish in the London markets, whereas it
was almost unstable twenty years ago.
If flowers do not mature well, they
may be made to do so by placing half
an inch Of powdered charcoal on the
earth in the pot. Another authority
asserts that solution or suspension Of
white hellebore in water may be used
with great advantage in destroying the
! insects that infest so many towering
plants. A fair friend has tried the en-
pertinent with success, and reports that
if the bugs sneezed as she did, it was
no wonder that they lost their lives.
PEOPLE who are unable 70 90 to sleep
at night will be glad to know that an
instrument, constructed by an ingeni-
Gus German, when placed under a mat
tress, is calculated, by soothing strains,
to persuade the most troubled con-
science into sweet oblivion and gentle
slumber. 1t also will, at a set time,
awaken the happy sleeper by lively
selection from one Of Ofenbach's operas.
This little instrument is provided with
tune appropriate for any occasion,
even that of death or funeral service,
a dead march being among the selec-
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