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DanielColladon's Lightfountain or LightpipeLaNaturemagazine. Author JeanDaniel Colladon Source This illustration appears in La Nature magazine in and it is reproduced in modernday accounts of the history of fiber optics including google fm id GBlUUHEC amppg PA amplpg PA ampdq themanwhoguidedlight ampsource web ampots DxurCiibF