[ APRIL.
brought down the whole jam of logs was a quiet young fel­ heigbt tban one· half of the length of the hinged sections
A NEW ORE MILL.
We give two engravings of a new and powerful grinding low, some twenty years of age.
mill made by the Northwestern Fertilizing Company, Chi·
He stripped everything .forming tbe bedstead.
save his drawers; a strong rope was placed under his arms,
cago, IlL, for grinding all hard substances, such as rock,
.
iron are, gold are, cement, etc.
and a gang of smart young fellows held the end.
plicity, its economy in grinding, a large capacity for work,
one felt, but I shall never forget my feeling8.
The man was the galvanic liquids is maintained, the galvanic action Is
By a novel mechanical device,
iron enter
the
At regular and uninterrupted and its energy is increased. the
is adjusted to any grade, either fine or any moment. the jam might break of its own accord, and
coarse, by means of a simple set screw.
IIJ ill
the
when. large
pieces
of
also, if he cut the k e y log, unless he instantly got out of tbe
way, he would be crushed by tile falling timber,
aod
the
iron
manipulation is simplified, and, it is claimed, an economy of
at least fifty per cent of the salts ordinarily employed is
There was effected.
The principal feature of the invention consists in
a feeding devic� for supplying new
grinding faces open five
inches
By tbis improvemen�
I do not know hoW ,the loggy·road taining it in working order is greatly recluc;eu, the purity of
and the complete adaptation uf the mill to any class of grind­ quietly walking to what very likely might be his death.
It
Mr. AI fred Michaud, of Paris, France, has p&tented an
The man improved permanent galvanic vat.
shuok hands with his comrades, and quietly walked out on the expense necessary fur setting up the apparatus and,main·
The advantages claimed for the mill are its great sim­ the logs, ax in hand.
ing required.
29. 1882.
fluids
con­
linuously, and in a siphon
is
arrangement for removing
thrown out without any
the spent liquid.
in jury to the mill. The ma­
nufacturers inform us that
Mr.
Josepb
Fournier,
its capacity for grinding
Jr.,
of New York city,
is ooe ton per hour, twenty
folding cabinet bed that
grinding faces are made of
upon one of its edges,
has patented an improved
rock to a sixty mesh screen
may be raised or tipped
tons in tlyeoty hours. The
80
as to stand in a vertical
metal that resists the wear,
but the chief advantage is
position against the wall
mill which makes the rock
in a horizontal position for
by
when not in use.
in the constructiOn of the
When
use the bedstead is sup·
pulverize itself rather than
against
the
ported upon ieaves hinged
acc()mplished almost
en·
stead, and these leaves are
ruhbing
grinding
faces.
to the ends of the bed­
This· is
adapted
tirely by centrifugal ac­
folded
The cost of repairs
tion.
to be closed ur
in,
like
doors,
is very light, the grinding
against the bottom of the
ning three months on rock
bedstead the
bedstead, �o as to g.ive the
faces being capable of run·
when tipped upon its edge.
It requires about twen­
An
ty-live horse power to run
boxes,
the mill to its full capaci·
ty.
improvement
patented
in
by Mr.
Charles Beiser, of Toledo,
No foundation is re­
quired,
appearance
of a wardrobe or cabinet
without renewal.
0" consists in a box pro­
neither are bolts
vided with a two-part or
needed to hold the mill to
place, its weight, which is
divided slip lid, and
to hold it.
When in posi­
divided lid with the body
its own crushing, nnd no
sections witll each other,
of the box, and of the lid
tion it is noiseless. It does
NEW
preparation of t hp. rock is
required.
in
elastic connections of the
23,000 lb., being sufficient
ORE
MILL
wbereby the lid sections·
are attached to the body
T h e smaller en·
The larger a dead silence while the keen ax was dropped with force and and are automatically opened when the elastic connection
one shows the mill open, with grinding faces exposed. The skill on the pille log. Now tbe Ilotch was near half th1'llugh uniting tbem is released.
An improved straw-conveyer belt has been patented by
manufacturers have been running this mill on rock for rhe the log, one or two more blows, and a crack was heard. The
past eighteen months, and they claim that the mill is un­ men got in all the slack of the rope that held the ax·man ; Mr. Alton J. Park, Jr., of Virginia, Mo. 'file object of
graving sbows the 'mill elosed ready for work.
rivaled for capacity and economy in reducing gold, iron, or one more blow and there was a crash like thunder, and this invention is to prevent tbe straw from catching in be­
other ures to powder.
They have recently pulverized iron down came the wall of timber, to all appearances on the ax­
are with it., at the rate of one ton per bour, to a degree of fine­
ness that would permit it to pass through it sixty mesh screen.
-.
"Cutting 'he Key Log."
The 1irst thing to be done is to find out where the jam
occurred, and then to discover what is called the ., key log,"
tbat is to say, the log which holds the base of the" jam."
An old experienced '�stream driver" is soon on the spot,
tween the ends of the slats and the conveyer belt, and to
Like many others, I rushed to help haul away the secure the ends of tbe slats more effectually to tbl' belt.
Mr. Ed ward E. Schermerhorn, of New York city, has pat.
poor fellow, but to my great joy I saw him safe on the bank,
certainly sadly bruised and bleeding from sundry wounds, ented a new and improved milling attachment for vises.
man.
The object of this invention is to furliish a handy, efficient,
but safe.-The Field.
and labor-saving tool for the shop, for doing the work by
.. . .. ..
hand that is usually done with files.
MISCELLANEOOS I:ffVENTIONS.
It consists in a milling
A novel folding bed has· been patented by Mr. Charles tool carried by adjustable device3, by whicb it may be at­
M. Morrison, of New York city. This invention reJates to tached to a vbe or directly to the work.
for the news is SO(lD carried up stream tuat there i&a " jam" that class of folding beds which are hinged in the middle,
Mr. John Brush, of Albany, Oregon, has patented an im·
Every minute is of consequence, as logs are coming the parts folding toward each other and having the appear­ provl'd grain separator for separating oats from wheat or
down and the .. jam" increasing in strength. The" key ance of a desk or chiffonnier when folded. The ohject of other grain and for removing .chaff from wheat or other
log" being found, there is a cry for volunteers to cut it. the invention is to balance tbe bedstead wil hout the usc of grain. In this machine all of the sieves are easily inserted
below.
Now, when you consider that there are some hundred big counter-weights, and to permit of making the legs of less and removed, and the machine is readily adjusted for different kinds
of tim­
logs
of work.
ber forming
a dam,
the
It
runs lightly,
and
a�d is ea�ily
instant
and
the key logis
cheaply
cut the wholc
constructed.
rusbingdown
tachment for
A whip at­
fabric comes
witb a crush,
horse powers
tbat
unless
tented by Mr.
gets instantly
ford of Pine
has been pa­
you will see
the
J.
ax-man
away
he
crushed
L. Craw­
Grove, Miss.
is
This
to
inven­
death. There
tion consists
a camp plen­
ing a
ready to vo­
and a whip at
roan who cuts
rod being at­
of a rod hav·
are usua\ly in
ty
of
at
men
end
the otber, the
lunteer; for a
a
crank
one
tached to the
key log is
looked upOIl;
levertowhich
the
attached, the
tbe horses are
by tbe �e�t of
l()ggers
ro d
just as a sol­
dier
is
bei ng
adapted to be
by
moved longi­
his regiment
wben be bas
tudinally
of
whip into po·
brin g
done any act
bravery.
Thi man
saw
a
I
1-.........
.;. ....
..
:.1!:�.UI!!l::
..
:.
���.�!l:�e.Zi
...::
cut a",ay
logwhlcb
ORE MILL WITH SIDE
REMOVED.
© 1882 SCIENTIFIC AMERICAN, INC
to
t he
si t i o n f o-r
whipping either horse.