From above hailed the Star King INSTAGRAM - https://www.instagram.com/rory.bjorkman
The excellent engravings from Johann Zahn's early and comprehensive account of the function and usage of a number of optical instruments, including the camera obscura and magic lantern.
Magic Transistor — Johann Zahn. Oculus Artificialis Teledioptricus,...
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Projection of light through a telescopic lense, 1685. Engraving of Johann Zahn’s creation of a mechanical eye, the scioptric ball (a ball of wood with a hole made through the center in which a lens or pair of lenses is placed) designed to project the image of the sun in a camera obscura, from "Oculus Artificialis Teledioptricus Sive Telescopium." NLM Image ID: A030190. #colorourcollections Download the NLM coloring book featuring Images from the History of Medicine.
