The Manitowoc pilot. [volume] (Manitowoc, Wis.) 1859-1932, 1881-03-17
A NEW PROCESS MILL.

There is no other class of manufactur
ing establishments which IN late years
have 50 felt the restless spirit of improve
ment as Touring mills. The-process OF
! -four making to day is so different from
that of few years ago. that mill which
would then rank high would now be left
/ without custom. The city OF Manitowoc
/ is supplied with Touring mills second to
| none in the state. Last week we visited
the mill of Truman & Cooper of this city,
having heard that improvements which
they have been making through the win
ter, were about completed. The descrip-
ton Of the mill with all the improvements
which experience and research can sug-
gest, may not be uninteresting to our
readers. This firm has been running for
some time on the old plan, limiting i'm
provements to such as could be made
without entirely remodeling the mill
But now the change from the old to the
new system has been radical and COM
plete.
The mill is supplied with the usual
contrivances for weighing wheat in bulk
and elevating it TO the upper story. The
grain is then passed successfully through
a Richmond and Kurth's No. l separa-
tor. Here ali foreign substances such
as cats, hulls. imperfect grain etc., are
separated. From thence the grain goes
to a cookie machine where it is further
cleaned by having the cookie and other
foul substance and small grain removed.
The process Of publication is not yet
complete, the grain again passes through
a scourer and shutter. Here what ever
substance adheres to the kernel is remov-
ed as we'll as the smut. The grain is
subjected to a current of air in its pas
sage through these machines which re-
moves all the dust, and it energies de-
prived of all its impurities.
On the second floor stand the five new
roller mills used in the reduction of the
solid grain to that degree Of fineness
necessary before its final passage under
the milestone. The rollers are so fixed
that in each successive mill the commi-
mutton is finer. The degree of reduction
secured by these mills is about equal in
ineness to that of granulated sugar.
After its passage through the roller
mills, the granulated -four is passed thro'
purifiers, of which there are six III this
mill, something comparatively new in
milling. The -four which is sufficiently
fine from the reducing process of the
rolls, is here sifted out and the granula-
tions are subjected to further reduction
by the mill stones, there being four used
for this purpose. From the mill stones
the -four passes through fourteen bolts,
the bolts being graded in degrees of
fineness. The bran is then passed thro'
Richmond bran duster which removes
every particle Of -four, limiting the bran,
which formerly contained much valuable
middliugs, to the outer coating Of the
grain. The bran is carried by conduit
to warehouse. From the bolts, the
-four passes into chests so arranged that
each chest contains -four of different
grades. II is then packed into barrels,
half barrels and quarters, by means OF an
Eureka -four packer with which the mill
has been lately supplied.
The refuse matter, technically known
as the tailings, left by the bolts, is car
ried to the lower floor where are four set
of smooth rollers. Here it undergoes
reduction and passes through stages Of
manufacture somewhat similar to the
description above given. This forms a
low grade of -four and ID shipped to
Europe mainly.
BY this new process better grade of
-four is obtained and the wastage is al
most absolutely nothing. By the old pro-
cess 40 per cent. Of patent -four was con
sidered an excellent proportion; by the
means described, so per cent. OF patent
-four can be secured and the quality is
better There are no valuable middlings
thrown out with the bran and the process
OF gradual reduction insures a superior
kind of flour in all the different grades.
Besides the flour is pure as the grain by
the preparatory steps, is thoroughly
cleaned.
Truman & Cooper's mill is now one Of
the most complete in the state. Ali the
machinery is new, it being furnished
with new Corliss engine o short while
| before the commencement of these latter
/ improvements. The improvements made
/ this winter will cost at least ST. 900. The
whole thing has been under the super
vision of \. f. Dumke who also furnish
/ ed the new engine.