Typus Arithmeticae

Georg Reisch

Typus Musices

Georg Reisch

Typus Sceptrologia Musurgica

Gaspar Schott

Undertones (6 : 5 : 4 : 3 : 2 : 1)

Michael Praetorius

Universal Tabel: classification of organ sounds

Michael Praetorius

Ut queant laxis

Vasorum Echeorum dispositio

Gaspar Schott

Vibrating string

Leonhard Euler

Vibrating string

Heinrich Christoph Koch

Vibrating string and a cycloid pendulum

Robert Smith

Vibration pattern synthesizer

Rudolph Koenig

Vibration patterns

Rudolph Koenig