Versuche über Photographie mittelst der Röntgen'schen Strahlen. Artist: Josef Maria Eder (Austrian, Krems an der Donau, 1855-1944 Kitzbühel); Eduard Valenta (Austrian, 1857-1937). Dimensions: 50 x 36 cm (19 11/16 x 14 3/16 in.). Date: 1896.Eder was the director of an institute for graphic processes and the author of an early history of photography. With the photochemist Valenta, he produced a portfolio in January 1896, less than a month after Wilhelm Conrad Röntgen published his discovery of X-rays. Eder and Valenta's volume, from which this plate derives, demonstrated the X-ray's magical ability to reveal the hidden structure of living things. Human hands and feet, fish, frogs, a snake, a chameleon, a lizard, a rat, and a newborn rabbit are all presented in exquisitely printed photo-gravures, as are carved cameos and an assortment of natural materials. In an era when photography's ability to accurately depict the visible world had become commonplace, this newfound capacity to record