Unidentified photographer / artist 1856 Head Rests - For enabling the Sitter to keep the Head in one position without fatigue
Catalogue illustration Google Books Figs.33-35 in "Illustrated Catalogue of Apparatus & Chemical Preartions used in the Art of Photography; Comprising the Daguerreotype, Calotypeà" (Bland & Long, Opticians, 1856), p.24-25
[The details from two pages of the original catalogue have been joined for the sake of clarity.]
