Phonautograph (c 1857) apparatus for studying sound vibrations graphically, invented by (Edouard) Leon Scott de Martinville. Tuning fork vibrated by bow or iron rod, and vibration traced on cylinder coated with lampblack. Engraving, 1872 Post author By Bowery Boys Post date May 8, 2017 No Comments on Phonautograph (c 1857) apparatus for studying sound vibrations graphically, invented by (Edouard) Leon Scott de Martinville. Tuning fork vibrated by bow or iron rod, and vibration traced on cylinder coated with lampblack. Engraving, 1872 Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ
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