It is heard, too, when two notes on the harmonium are loudly sounded.

It is heard, too, when two notes on the harmonium are loudly sounded.

The conditions assumed in this investigation are probably nearly realized in a harmonium and in a double siren of the form used by Helmholtz, and in these cases there can be no doubt that actual objective tones are produced, for they may be detected by the aid of resonators of the frequency of the tone sought for.

There is not much difficulty in detecting the difference tone by a resonator if it is held, say, close to the reeds of a harmonium, and Helmholtz succeeded in detecting the summation tone by the aid of a resonator.

In the evening, Mr Jones can also play the harmonium or the banjo, recently introduced from America.

In the summer of 1964 an electric organ was purchased to replace the harmonium, and the first floor was created in 1967.

The Indian harmonium is an example of a keyboard instrument which has become part of a non-western culture.

Talking and chatting to friends etc. An old harmonium was used to accompany the singing.

harmonium in church.

The conditions assumed in this investigation are probably nearly realized in a harmonium and in a double siren of the form used by Helmholtz, and in these cases there can be no doubt that actual objective tones are produced, for they may be detected by the aid of resonators of the frequency of the tone sought for.

There is not much difficulty in detecting the difference tone by a resonator if it is held, say, close to the reeds of a harmonium, and Helmholtz succeeded in detecting the summation tone by the aid of a resonator.

Before the harmonium arrived they were led by the stringed orchestra.