Washington standard. [volume] (Olympia, Wash. Territory) 1860-1921, 1884-08-15
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Domestic Refrigeration.

Tho Artificial manufacture Il zee
having been established 81 a irm
commercial hnai~. cotu's nov ~ II"
natural s'quont" ~" manufacture
anI dl-'uhni Of coii ar AMI
uthcr hul- f., pmposc~ ~ domestic
refrigeration Ne lean from Hn
Open letter Published IA tho August
number II the venture, HrgnI,n"
that intensely COLI liquids or air
chilled Ia many degrees below zero
eau now be delivered from "A GENITAL
station through pipes ~ the street
to all the houses withla any moler.
ate area. ,ay two blocks IN every d..
reciion. The LOFTY apartment, houses.
accommodating IN some instances
one hundred families under one ioof,
can With equal facility deliver from q
machine In the cellar anv required
degree Of cold IN the pantry or store
room Of every tenant IN the build
ing. These refrigeration machines
are now on a firm technical and CON.
merclsl basis. aud can Ice as safely
dep, nd-i on 10 do the work re-
qu.red ms any ordinary machinery.
Two types 81 ,hose machines are
made aud uscl IN New York. and
from an examination II number
IN actual operation u may bo safely
predicted tia, they will IN time be
largely used 10 supply domestic ie.
fIigcrators IN place OF ice. These
two classes ~ machines are the an.
bydfous-ammonia machines and the
compressed air machines. In theory
the anbydrous ammonia machines
produce cold upon the following cir
Gle 81 operations The ammonia ia
compressed IN compressor driven
by q stssm engine. TIE immediate
result, ss IN al compression. IL heat
II now this heat il extracted by pass
ing the ammonia through pipes
cooled by water. the ammonia will
b in the form Of . liquid under
pressure. aud 10Th eager TO expand
and greedy Tor heat. tits now al.
lowed 10 expand aud to return 10 the
form Of . gas. II will absorb heat
from everything near IL. II allowed
70 expand in pipes submerged In wa
ter. the water will immediately
freeze. by mixing sal, with the wa.
ter. u will part with i,s heat and be-
come intensely cold without freezing.
II the machine 10 TO make ice, il in
only necessary TO sink metal cans
nllsd with pure water in this cold
brine. and they are soon frozen, and
when lifted out can bc dipped in
warm water aud the solid block OF
Ice will fall out. hit 10 not int nded
10 make ice. but only 10 rofrigerate
. mest'saie, or cold-siorage room.
u 10 only necessary TO place coils OF
pipe In the ch,ll.room and 10 pump
The cold brine through them, when
the brine will absorb the heat Of the
room and lower the temperature to
any degree required. In a cold.
storage warehouse examined, the
temperatures ranged in the ditferen
rooms according to the material
stored In thsm) from eighteen abov,
zero 10 forty above. each room being
Of y 6xed temperature. In the cold.
Or rooms hsh aud poultry frozen
hard weis said TO have been in tina,
condition for many months"
We can see no reason 10 doub,
that cold" in tie shape OF air OF
other freezing finds will. in the cours,
Of time. he furnished TO every house
hold, 40 heat IL now furnished IN the
shape Of wood. bark and coal-at &C
much busdeI. cord or pound.