Democratic Northwest. [volume] (Napoleon, Ohio) 1869-1894, 1892-03-31

CuSo OilOoO buOOo W bLlC llODOl UllS,
and with his gas jet and blowpipe makes
the bulb on the lower end. The bulbs
are then filled with colored alcohol, and
the tubes stand for twenty-four hours.
On the following day another work.
man holds each bulb in turn over gas
jet until the colored fluid, by its expan-
sion, entirely fills the tube. 1t then
goes back into the hands of the glass
blower. He closes the upper end and
turns the tip backward to make the hit
tie glass hook which will help keep the
tube in place in the frame.
MARKING THE TUBES.
The tubes now rest until some hun
dreds of them, perhaps thousands, are
ready. Thelf the process of gauging be-
gins. There are no marks whatever on
the tube, and the first guide mark to be
made is the freezing point, 80 degs
Fahrenheit. This is found by plunging
the bulbs into melting snow. No other
thermometer is needed for guide, for
melting snow gives invariably the exact
freezing point. This is an unfailing test
for any thermometer whose accuracy
may be suspected. But melting snow is
not always to be had, and little ma
chine resembling sausage grinder is
brought into use. This machine shaves
block of ice into particles, which an
swer the purpose as we'll as snow.
When the bulbs have been long enough
in the melting snow workman takes
them one by one from their icy bath,
seizing each so that his thumb nail
marks the exact spot to which tho fluid
perceptible mark upon the glass with a
fine file, and goes on to the next.
The tubes, with the freezing point
marked on each, now go into the hands
of another workman, who plunges them,
bulb down, into a vessel filled with
water kept constantly at 81 degsD
A standard thermometer attached to
the inside of this vessel shows that the
temperature of the water is correct.
Another tiny file scratch is put at 64.
Then a third workman plunges the
bulbs into another vessel Of water kept
constantly at 96 This is marked
like the others, and the tube is now sup
piled with these guide marks, each
50 degs. from the next. A small tab
is then attached to each tube, ON which
its number is written-for, owing to un-
avoidable variations in the bore of the
tube, each one varies slightly from the
others.
MARKING THE CASES.
With it's individuality thus established
the tube goes into the hands of mark.
er, who fits its bulb and hook into the
frame it is to occupy, and makes slight
scratches on the frame corresponding to
the 49, "a and 96 degree marks on the
tube The frame has a number CORE
spending with the number of the tube,
and the tube is laid away in rack amid
thousands.
The frame, whether it be wood, tin
or brass, goes to the gauging room
where it is laid upon steeply sloping
table, exactly in the position marked for
q thermometer of that size. The 30, Ga
and SO degree marks must correspond
with the marks upon the table. Ii they
do not, the error in marking is detected
and the frame is sent back for correc.
ton.
A long, straight bar of wood or metal
extends diagonally across the table from
the lower right hand corner to the upper
left hand corner. On the right this
works upon pivot and on the left il
rests in ratchet, which let's it ascend
or descend only one notch at time
That notch marks the exact distance ol
2degs. With the three scratches already
made for basis the marker could hardly
make mistake in the degrees if he tried
The marks made upon the frame OF
case are all made by hand with a geo.
metric pen and India ink if the frame ii
of wood, and with steel dies if it is oi
metal The tube bearing the correspond
ing number is next attached to the frame
and the thermometer is ready for the
market without further testing. Some
makers use only two guide marks, hu
the best makers use three.
In the process of mai1ufaoture tht
ordinary thermometer goes through thu
hands of nineteen workmen, half O.
whom are often girls and women. Some
of the larger concerns in and near New
York produce several hundred Thousand
instruments annually, and on every on
of them the purchaser may see, it h
looks closely, the tiny file scratch on tn
glass at 80, GA and SO degree marks-o
somewhere near them, as different max
ers use different points. .-New York Sun
Hard So Get Along With.
There are many, many things in this lif
| which man or woman finds hard to g
on with comfortably, but they all pale int
insignificance as a rule, when compare
to the task Of keeping on good terms wit
ones self. A majority of the fights in th
life are with ones self because most of I'll
disappointments, a large proportion Of tt
annoyances and ever so many Of the slal
in the face come from ourselves Abor
the only exceptions to this rule are cause
by good stomachs and livers therefore,
you court content, peace and smooth sal
ing, be good to those organs. Detroit FRI
Press.
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