align="left">Nicolaus de Quoco

Smithsonian Institution   9-3⁄4 C/E-a´´ Clavicytherium 8´8´ Anonymous Smithsonian Institution   ^[b]10-3⁄8 C/E-c´´´ Clavicytherium (Ottavina) 4´ Anonymous Boston Museum of Fine Arts   11 C/E-c´´´ Polygonal virginal 8´ Anonymous Smithsonian Institution

^a This length is approximate. It is double the length of the shortest string on the instrument.

^bIn order to arrive at a meaningful average value for the string lengths of the nontransposing group, it was necessary to double the measured lengths of the pitch C strings of the three instruments tuned an octave higher.

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