Zürich: Occident Verlag, 1950. First edition. Softcover. fair to fine. Large Folio. xlviii (i), (3), 328 (1)pp. Folder with original quarter vellum over cream boards with red and black lettering and publisher's device on spine; housing softcover with cream dustjacket and red and black lettering over plain cream wraps, protected by glassine; plus matching plain slipcase. Decorative initials.Major work of the art and music theorist Hans Kayser, the founder of the basic "harmonic" research. He places the acoustic-musical laws into a universal context as it pertains to work of scientific and philosophical greats like Pythagoras of Samos, Plato, Boethius (musica mundana), and Johannes Kepler (Harmonice mundi), and others. This highly detailed work touches upon theories in physics, art and acoustic phenomena. It elaborates on logarithmic relations of anatomy and tonal ratios while encouraging the reader to exercise the calculations. Profusely illustrated with complex diagrams and tables, some in red and black, drawings as well as exemplary scores and tipped-in b/w and color photographs. Contains three foldout diagrams. Typography and printing, Walbaum Antiqua on handmade paper by Ziegler & Co, Winterthur, are exceptional. Text in German. Slipcase with top loose but present, bottom missing, nice blue ink lines on spine and one by one inch abrasion at top of one side. Folder with 1 1/2" closed tear at head of front joint, 3 1/2" at tail, slightly rubbed and minor stain on back. Glassine with light wear along edges and two inch closed tear at inside front. Tipped-in library Ex Libris on inside front cover. Slipgcase in fair, folder in good+, interior in very good to fine condition.
(Inventory #: 41145)
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