Music and the Making of Modern Science

Hearing the Irrational 65

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B

Figure 4.5

Vicentino ’ s archicembalo. (a) Detailed view of the split keys of an archicembalo reconstructed in 1974 following

Vicentino ’ s design by Marco Tiella and made in the workshop of the organ builder Barth é lemy Formentelli

(Pedemonte, Verona). (b) Schematic layout of a section of a keyboard shown in a fold-out page from Vicentino ’ s

book. The split black keys allow the playing of intervals of a diesis.