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WASHINGTON, June 49, ls47.


SIR: In conjunction with several other members
Of the Medical profession i gave you, some years
since, certificate of the good quality Of your
Mineral Water. With Ia commendable jealousy Of
your own works, lest confidence in their abiding
good reputation should have led to neglect, you have
again applied to me for an analysis Of several spec
mems Of Mineral Water, purporting to have been
made after different methods by different persons,
the particulars of which were not furnished the only
distinction apparent being in the color Of the bottles
have examined the several specimens submitted,
and find asfollows: The water in the Wlitc glass
bottles free from all impurities that in the green
bottles contains sensible quantity Of sulphuric acid,
which is evident to the smell and TASTE well as to
the proper chemical tests. From a recent inspec-
ton Of your process, led to the conviction that
the only impurities which could possibly gain access
to the water were lead and suphurc acid. Of lead
find no traces whatever in any Of the bottles the
amount OF sulphuric ac'd present in the green bottles
though small is Objectionable, and must he regarded
an animpurity, the Mineral Water processes to be
free from all such admxtures. therefore certify
that the Mineral Water contained in the white bot.
ties sent to me was pure, and in my opinion saluta.
ry, while that in the green bottles was impure and
unfit for common beverage.


CHARLES G. PAGE,


Profes or Of Chemistry, National M dical College.