PERLFOC.aL, OR AMERICAN PERISCOPIC


S P e G. Z A c 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 CON NCAVO-CONVEX
ELLIPSEs; admirably adapted to the organs OF
Sight, and perfectly natural to the Eye; attording
altogether the best artificial help to the human vision
ever invented. They manufactured only by H.


M PAINE & CO., Massachusetts, and can be obtained
in this city of stp