Helmholtz and the Sirens 225
A
B
Figure 14.7
Helmholtz ’ s illustration of the visual trace made by the motion of a tuning fork, from Tonempfindungen (1863).
Figure 14.6
Resonator to isolate an overtone, from Helmholtz, Tonempfindungen (1863).
Helmholtz and the Sirens 225
A
B
Figure 14.7
Helmholtz ’ s illustration of the visual trace made by the motion of a tuning fork, from Tonempfindungen (1863).
Figure 14.6
Resonator to isolate an overtone, from Helmholtz, Tonempfindungen (1863).