Unidentified photographer / artist, 1856, A dark tent packed, Catalogue illustration, Google Books, LL/34639
Unidentified photographer / artist 1856 A dark tent packed
Catalogue illustration Google Books Fig. 29 in "Illustrated Catalogue of Apparatus & Chemical Preparations used in the Art of Photography; Comprising the Daguerreotype, Calotypeà" (Bland & Long, Opticians, 1856)