Alternating strips from the left and right image of a traditional stereoscopic negative had to be recomposed as an interlaced image, preferably during the printing of the image on paper. In May 1896 Auguste Berthier published an article about the history of stereoscopic images in French scientific magazine Le Cosmos, which included his method of creating an autostereogram. The expanded "new edition" of the book had a cover design "specially drawn for the book" by famous French painter Henri de Toulouse-Lautrec, depicting a woman viewing pictures with the transparency (accompanied by a girl, a man and three different pets).Īuguste Berthier's autostereograms īerthier's diagram: A-B=glass plate, with a-b=opaque lines, P=Picture, O=Eyes, c-n=blocked and allowed views ( Le Cosmos 05-1896)
It creates a vibrant type of motion illusion with revolving wheels, billowing smoke, ripples in water, etc. The pictures feature different hatching patterns, causing moiré type effects when the striped transparency is moved across it. It came with a "transparency" with black stripes to add the illusion of motion to the pictures in the book (13 in the original black and white edition and 23 in the later color edition). The Motograph Moving Picture Book was published in London at the start of 1898 by Bliss, Sands & Co. 5,759 on Mafor a technique that was used about two years later for the oldest known publication that used a line-sheet to create the illusion of motion in pictures. Several halftone printing and color photography processes, including the 1895 Joly colour screen with >0.1 mm RGB lines, inspired the use of line screens for autostereoscopic images.
For color photography the use of colored line sheets had been suggested by Louis Arthur Ducos du Hauron in 1869. This resulted in several halftone processes in the next decades. Using screens for photographic printing was suggested by William Fox Talbot as "photographic screens or veils" in an 1852 patent. Henri de Toulouse Lautrec's cover of the new edition of "The Motograph Moving Picture Book" (1898)
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