The Washington times., 1920-12-09
EASY T0PREVENT
RADIATOR Freezing
Alcohol and Glycerin Solutions
Do Work, and Are Readily
Home Mixed.

when the frost u on the pumpkin
you can depend Upon II being In close
proximity 40 your eooiiny system
says George w, Sweet. natisnai service
manager for the Studebaker Corpora
ton. South Rend. Ind. This notorious
mex Frost. sw ORR enemy az the mo-
tor car, H. 10 resperter Of persons. He
will attack the eo.llng system OF any
car II Etvcn the slightest opportunity
and II you are ineliaed TO be care
lees or forgetfuI al aboW this time OF
th~, year YEA had better watch out
This IT, The open season for anu
freezing Solutions. and car owners
win save themselves much annoyance
and Considerable expense ~ they VIII
but heed thb warning and take ord'-
nary precauti<ns.s 2 - '.t'.a. rH =
There are three substances In gen.
.raT usr for maxim apti-freeze solu-
tions. each Of which can be- prepared
by the owner himself and used with
out having to consult the professional
mechanic. Alcohol is probably the
most popular Of all anti-freexe agents.
xiycerin~ has proven very effective.
but Its cost during the war made It's
use almost psohib,ttve to the ordinary
owner. Calcium chloride IL perhaps
the'most easily prepared solution s,f
all and. for that reason. IL widely
pssd. but; TO my mindEu In abso-
lutsly wrong, Calcium -thI"rIdc . Is n
mighty dangerous solution to use.
The commercial product, sold In solid
form or In aqueous solutions as az
anti-frccxe mixture. Is highly fnjuri-
GUS because OF the actioR on the COM
ponn~nts Of the cooling system. Such
~.
AN electrical action wherever two dis
similar metals arc utilized. such as
the brass tubing OF a radiator and the
solder used at the Joints. the Iron
wafer Jackets and the brass or copper
plates strongly advise against the
use Of. all soluble salts because Of
their harmful action. on the metal,
"A summary nf tho opinions OF
motor car manufacturers AS to the
value Of various Rnti-frecze sohit ions
shows a decided preference for alcohol
and glycerin~., Neutral alcohol. does
not act on initial or oR'thc rubber COR
recttons. hut the alcohol In the ,solu :
uoin WIN evaporate moro rapidly than
the water. The solution should be
watched carefully and the alcohol re.
rl~n'shed frsm time 10 time g..
III 20 per cent alcohol Is used. the
r"ifo~tng SOLUTION VIII be found ade-
ruat"-f all ordinary temperatures:
Alcohol ny volume. / p,rt: water by vol
umH. warts: approximate specific gravity.
'.eT:.N-ih frteze at 10 degrees abovr zero.
Alcohol by volume. I part: water by vol
nme. PARTS: approximate specific gravity.
o.s6: win freeze at zero. II
: Alcohol by volume. I part: water by vol
ume.l part: approximate. specific gravity,
e.s3s: VIII freeze at 20 dc sreca below zero.
Neutral xlycerine docs. not act on
metal but does act ON rubber, conucc-
lions. II used the hose connexions
should be examined frequently 10 pre-
vent disint"Gration and consequent
leaks. II can be prepared as follows:
i, Giycertnc BY volume. I part: water by
volume. parts: approximate specific gray
~. los: viii frre.e At 10 degrees above
Giycerine by volume. part: water BY
volume. parts: approximate specific grav-
Ny. III; will freeze at zero. a
Clyccvine BY volume. parts: water BY
volume. parts: approximate specific gray
ny. la: Will frsere at 20 degrees below
zero. -. - F'.s
II have found that. the bieached
variety OF glycetine. which may be
procured Mt practically any drug
store. is not only cheapest but best"