Eduard Valenta & Josef Maria Eder :: X Ray of Angelfish and Surgeonfish (Zanclus cornutus and Acanthurus nigros), 1896 [Photogravure] / src: The Met
“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.” src: The Met
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