Pueblo chieftain., 1921-05-22

neither can be considered soft and
downy. They have an additional use.
however. for the canoeist or small boat
cruiser in that both are buoyant in
water. potential life preservers by day
as well as bed pads by night
II the warmth produced be con-
tanned in n thin layer about the body.
the desired result will soon be had.
II, however. the body warmth be
rapidly removed. either by conduction
thru the body covering or a comming-
ling with the cold outer air thru n
Extra covering. same as 1t may rem
edy this condition. is merely 80 much
extra weight So an understanding
and solution OF the warmth problem
is essential to night comfortably
also for that matter. 1t should be
its covering, produces warmth; that
to save this heat the body must be
covered with n nonconductor which
VIII permit the escape OF tho body
moisture without losing its noncon-
Quoting ppopertiea II PERSONS
low. his body will produce little
warmth. He is far from apt to be
sold. II the body covering Is tight.
tho conduction of heat Is rapid. II
tho covering is SO loose that large
air pockets must he formed. tho body
neat may De Insufficient
II the body covering In n closely
woven material. 1t permits the escape
of the body moisture and becomes
an increasingly good conductor of
heat as II becomes saturated. OF the
several materials available for cover
ins-cotton, silk. wool and fur-cot-
ton Is the poorest by reason of its
affinity for water. 1t will absorb the
moisture from both body and outer
air until worse than no covering at
all. The conclusion Is that cotton is
absolutely unsuited for blankets. It's
only place in a sleeping outfit is as a
closely woven. on-waterproofed
outer covering. Used thus 1T keeps
the inner covering clean. breaks the
wind, and serves to absorb the mois-
ture from tho inner bag without
lowering its temperature. Fur is tho
warmest. bu. it is only suited to ex-
tremely cold regions. Wool Is second
to fur, and because of tho constant
supply OF II and the highly developed
processes for fabrication. II lis tho
universal material for body covering.
Tho warmth of wool depends on tho
number OF dead air spaces or cells
between the fibres. For this reason
the hard. closely woven blanket af-
fords slight warmth-comparc tho
standard army blanket with a Hud-
sons Bay point" blanket. the army
blanket is made primarily for ser
N1Ce. not warmth. hpOsencSS OF
weave makes for warmth. The COM
forter. so much favored at home. is
warm. because the wool content Is
loose and unfabricated. II 1t is to be
adapted to outdoor use. one cover
the one to be used next to the body
should be Of wool: the other should
be of closely woven cotton.
Sleeping bag versus blankets In
ever a mooted question among out
doorsmen. II would he fruitlesa to
attempt to settle 1t here; besides both
have their disadvantages and ah-
vantages. Tho only distinctly bad
feature to which bags arc liable is
the waterproof covering. This can
not be condemned to strongly. a. II
confines the body moisture, making
the bag cold and clammy. The trn-
oretically correst sleeping outfit is
one tina. has loosely woven wool
fabric within and thin. closely
woven cotton outer covering; that Is
Just roomy enough to permit the
sleeper reasonably free movement,
not so large that the body rs called
on to heat unnecessary air space; that
ia without crack of crevice thruout
its length. and has flaps or a longer
blanket which may he pulled tightly
about the neck. such an arrange
ment may be the result OF an under
standing manufacturer of sleeping
bags. or the Individual may work out
his own at home. or the camper may
make TN bag at camp. using blank
cts and large blanket pins and any