| And Edna Tracey played harmonic scales On a silver sonometer string. |
| Edgar Willems also invented many auditory materials for which he was awarded several patents: such as the audiometer, sonometer and yet others. |
| Even tone deaf students can perform this experiment but the sonometer must be correctly tensioned or spurious harmonics interfere with the frequency determination. |
| In addition of the compulsory certification, we equipped ourselves with a calibrator, witch allow us to test our sonometer, prior to each measure. |
| The Pasco sonometer was used in place of a guitar so that the observed spectrum was due to the string and not vibrations in the guitar body. |
| Drugstores in Indianapolis recently offered screening with the innovative Sahara Clinical Bone Sonometer. |
