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SPECTACLES, Sc.--The subscribers, Nanufac-
- turers Of Mathematical, Optical, and Phosophi-
cal Instruments Cat the solicitation Of their riends
have added to their establishment the article Of Spec
the best quality, and correctly ground on optical
principles may be had to suit the sight of (neary) all
persons gold frames made to order, Of any pattern,
glasses fitted to old frames and all work in the line
done in tie best manner; where may be had great
~ to $50, Engineers and Surveyors instruments of
superior quality, Pocket and other Telescopes supe-
rior Thermometers, in mahogany cases, for halls or
parlors, Barometers, &c. Shortly will be published,
in pamphlet form, with plates, an Essay on the Human
Eye, showing its defects and explaining the appca-
ton Of Optical Glasses to its assistance, &c.


PATTEN & SON,


South side Pennsylvania avenue,


nov 6-lm between 10th and lth SITS