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114
Aerated
Waters.
is
made
from
calcined
Carrara
marble,
each
bottle
containing
8
to
10
grains of
carbonate
of
lime
;
it
is
administered
to
strengthen
the
bony
structure.
Lithia
Water
is
a
solution
of
the
freshly
preci-
pitated
carbonate
of
lithia
(.
Litlda
carbonas)
;
this
water
is
becoming
popular,
being
very
useful
in
calculous
complaints.
Magnesian
Water
is
useful
in
indigestion,
&c.;
being
an
aerated
solution
of
carbonate
of
magnesia,
it
is
an
agreeable
mode
of
taking
magnesia.
Potass
Water
is
a
solution
of
bicarbonate
of
potass
in
distilled
water,
and
aerated
with
washed
carbonic
acid
gas.
Socla
Water
is
properly
a
solution
of
crystallized
carbonate
of
soda,
in
distilled
water,
aerated
with
washed
carbonic
acid
gas,
upon
the
purity
of
which
the
excellence
of
this
article
mainly
depends.
That
made
by
Messrs.
Rawlings,
and
other
eminent
makers,
contains
from
4
to
1
5
grains
of
crystallized
carbonate
of
soda
in
each
bottle
(all
proportions
in excess
of
4
grains
being
usually
prepared
from
a
medical
prescription).
When
employed
as
an
anti-acid,
it
is
highly
important
to
obtain
this
article
good.
Seltzer
Water
is
carbonate
of
soda,
common
salt
(chloride
of
sodium),
and
carbonate
of
magnesia.