Spectropia, or, Surprising spectral illusions. Showing ghosts everywhere, and of any colour / By J. H. Brown.

Public Domain Mark

You can use this work for any purpose without restriction under copyright law. Read more about this licence.

Credit

Spectropia, or, Surprising spectral illusions. Showing ghosts everywhere, and of any colour / By J. H. Brown. Public Domain Mark. Source: Wellcome Collection.

Provider

This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.