English: Title page from Christlieb Benedict Funk's De Sono et Tono Disserit. showing a geometrical construction.
Applied corrective perspective and lens distortion filters to original scan in Gimp.
Date
Source
Title page, Christlieb Benedict Funk De Sono et Tono Disserit. Langenheim, Leipzig 1779
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applies to jurisdiction: United States
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1779
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