Churchman, Athanasius. Musurgia universalis sive ars magna consoni et dissoni in X. libros digesta. Two volumes. 6 Bl., 690 pp.; 5 Bl., 462 pp., 19 Bl. With 2 woodcut printer marks on the titles, stung title, engraved portrait, 21 copper plates, numerous (2 full-page) text woodcuts and topographic sheet music prints. 32 x 22.5 cm. Parchment d. C. (Volume I: VDeckel loose, upper capital missing, rubbed and stained, with flaws; Volume II.: rubbed, flaked, with flaws) with hs. Title. Rome, Haeredes F. Corbelletti, 1650. Thinhead 2332, 8. Merrill 8. RISM B VI, 449. MGG VII, 938. Eitner V, 369. Fétis V, 35. Gregory-Bartlett I, 135. Wolffheim I, 732. HirschI, 266. – First edition. Extensive and magnificent music-theoretical compendium of the German universal scholar Athanasius Kircher (1601-1680). With numerous sheet music prints and music theoretic models of the Renaissance. – Slightly brown- and finger-spotted, kink-marked, isolated leaves loose and slightly wavy.