PERIFOC.qL, OR AMERICAN PERISCOPI(


SP E C I A. i ES,
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SUPERIOR to any other kind in use, constructed
~ in accordance with the philosophy Of Nature, in
the peculiar form Of CONCAV0-CONVEx
ELLIPsES admirably adapted to the organs Of
Sight, and perfectly natural to the Eye; afording
altogether the best artificial help to the human vision
ever invented. They are manufactured only BY n.
NJ PAINE & Co, Massachusetts,, and can be obtained
in this city of


A.rsas S. MAST,


Al hisstore Pennsylvania avenue, near Gadsby's,
to whom have consigned large assortment, suit
cd TO every age and condition of the eye


The Perifocal Glasses be used for the greatest
length Of time, either by day night, with perfect
ease, twhen selected to suit the state ofthe sye and
never cause that gddness of the head or unpleasant
sensation to the eyes, that many experience from
using the common kind, but tond to sirsngfkem and
Improve the sight, as will be seen by the numerous
testimonials from those who have used them, which
can be examined by calling above. ~ Perifocsl
Glasses put into other spectacle frames.


N. b. All persons not satisfied with these Glasses
after making trial of them, particularly requested
to have them exchanged until suited.


JAS. KILBURN,


nov 25-lm Agent for the Manufacturers.