Page:Spectropia, or, Surprising spectral illusions.djvu/7

From Wikisource
Jump to: navigation, search
This page has been validated.


SPECTROPIA;


OR,


SURPRISING SPECTRAL ILLUSIONS.


SHOWING


GHOSTS EVERYWHERE,


AND OF ANY COLOUR.


WITH SIXTEEN ILLUSTRATIONS.





NEW YORK:

PUBLISHED BY JAMES G. GREGORY.

No. 540 BROADWAY.

MDCCCLXIV.