Flammarion

Catalogue, published by Flammarion (2014), includes photographs from the Magnum Photos archives and text by Éric Hazan.

The third period extends from 1877 to 1892, when Flammarion published his book.

This was in accord with the accounts of a "cobwebby feeling" which both Maxwell and Flammarion had drawn from their mediums.

Flammarion noted this same significant relation between the movements of the psychic and the spirit hands, and so did Maxwell.