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Matchett's Baltimore Director for 1847-48
Volume 525, Page 468   View pdf image (33K)
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This portable apparatus, not jaiger than a pint measure, can be readily,
and without expense, attached to any hydrant or pipe conveying sater,
and will yield a steady stream of pure water, equal to one hundred gallons
per hour, under the pressure of the Croton, more than enough lot the cu-

linary wants of the largest families, even for washing clothes to which it
imparts a pearly whiteness not otherwise obtained. It separates with
equal certainly arid despatch all the animal, vegetable, and earthy matter
found, despite of all possible precautions, in every distributing channel of
the Croton, Schuvlkill, Mississippi, and other river water. They are also
constructed for filtering fluids for manufacturing purposes, and water
for steam engines, &c &c.

The necessity of filtering river water, and the efficiency of the Dia-
phragm Filter, bear the endorsement of main of the most eminment physi-
cians and chemists of the cities of New York and Philadelphia, and the
a approbation of the AMERICAN INSTITUTE by awarding Mr. Jennison a
gold medal at the fair of 1845, and a gold medal for improvements, at the
recent fair of 1846.

Analysis of tlie Residuum of Croton Water, by Dr. James R. Clinton
" The dark green, muddy substance separited from the Crofton water in Mr Jennison's filter,
I find, by analysis, to consist of annual and vegetable miller, with tht oxide of iron

These filters are highly ornamental, and will last for years and are not lia-

ble to get out of repair, nor subject to damage from front, and will prevent tht
pipes from bursting. They have the merit of cleansing themselves, and are

most admirably designed for filtering all water under any decree of pressure
Persons desirous of examining the Filter and understanding the principle
of its operation, can call at No 334 Broadway, New York, 79 Walnut street,
corner of Third, Philadelphia, and
Where they are for sale and exhibition From the facilities in their manufac-
ture, and the increasing demand, the proprietor is enabled to afford them at
from $3 to $5 each

DIRECTIONS—Bj the simple act of changing the Filter, end for end, and permit
ting the water to escape for a few seconds, it will be cleansed, winch may be required
three or four times a week, depending however, on the quantity of water used, and the
sediment contained. This act effectually, secures the perfect operation of the instrument
At all times the first water that passes through the Filter should be permitted to escape for
a few seconds, and the stream gradually diminished, by turning the faucet, until a steady
and uniform flow of water is attained, when it will be found pure and clear as crystal
WM. H. JENNISON, for the Proprietor.

manufactory 66 Franklin street. New York.



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Matchett's Baltimore Director for 1847-48
Volume 525, Page 468   View pdf image (33K)
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