STRELLER, E: Wilhelm Conrad Roentgen 1845-1923

Book cover. Wilhelm Conrad Roentgen 1845-1923 Streller, Ernst. Wilhelm Conrad Roentgen 1845-1923. Bonn-Bad Godesberg: Inter Nationes, 1973. Unmarked. Very Good. Paperback. (#30836) $12.00

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Contributions from Ernst Streller, Rolf Winau, Armin Hermann. Translated from the German by Dawn Thompson. Illustrated. Chronological table. Bibliography. 72p.

Lain in card: “With the compliments of the Consulate General of the Federal Republic of Germany.”

GOETHE, JW: Theory of Colours

Goethe, Johann Wolfgang. Theory of Colours. Dover, 2006. ISBN: 9870486448053. Unmarked text. 246p. Very Good. Paperback. (#28830)

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Translated with notes by Charles Lock Eastlake.

Goethe’s conclusions have been repudiated, but no one quarrels with his reporting of the facts to be observed. With simple objects–vessels, prisms, lenses, and the like–the reader will be led through a demonstration course not only in subjectively produced colors, but also in the observable physical phenomena of color.

HELMHOLTZ, HFL: On the Sensations of Tone As A Physiological Base for the Theory of Music

 On the Sensations of Tone As A Physiological Base for the Theory of Music, book coverHelmholtz, Hermann F. L. On the Sensations of Tone As A Physiological Base for the Theory of Music. Dover Publications, Inc., 1954. Unmarked. Previous owner’s name stamped on edge. Crease on front end page. Good. Paperback. (#26205)

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This classic links music theory and the natural sciences. A survey of the different principles of musical styles in history is followed by a detailed study of our own tonal system. Includes graphs, diagrams, tables, and musical examples.

New introduction by Henry Margenau (1954). The second English edition, translated, thoroughly revised and corrected, rendered conformal to the fourth (and last) German edition of 1877, with numerous additional notes and a new additional appendix bringing down information to 1885 and especially adapted to the use of music students by Alexander J. Ellis.