tuning-forks

There was another sound, too, an almost musical cacophony of sharp, percussive tones, such as a dinosaur might make pushing its way through a forest of huge steel tuning-forks.

Cities In Flight Blish, James 1957

Pianos are not alike in pitch, neither are tuning-forks.

The Child-Voice in Singing treated from a physiological and a practical standpoint and especially adapted to schools and boy choirs Francis E. Howard

Let us suppose that we have two tuning-forks of the same pitch, placed on a table at a distance of a foot from each other.

Aether and Gravitation William George Hooper

Again, it must be noted, that if we have two tuning-forks both of which are of the same pitch, and both vibrating at the same time, then, while one is radiating sound and consequently losing motion to the other, yet at the same time it is absorbing motion from the other.

Aether and Gravitation William George Hooper

Aether, they fall upon another atom which can emit a wave of similar length, in the same way that two tuning-forks emitted sound waves of the same length, then the atom upon which the waves strike will be set in vibration, as the second tuning-fork was set in vibration by the first.

Aether and Gravitation William George Hooper

Poitiers has beaten her swords into crosiers and her spears into tuning-forks.

Jonah and Co. Dornford Yates 1922

Far East, China having coins of the most extraordinary shapes, some perforated, some in the form of tuning-forks, sabres, etc.

The Catholic Encyclopedia, Volume 11: New Mexico-Philip 1840-1916 1913

The steamers, resounding like gigantic tuning-forks, state the old old fact -- how there is a sea coldly, greenly, swaying outside.

Jacob's Room Virginia Woolf 1911

As I had also been working on a telegraph system employing tuning-forks, simultaneously with both Bell and Gray, I was pretty familiar with the subject.

Edison, His Life and Inventions, vol. 1 1910

He brought Bell to his house showed him what Helmholtz had done -- how he had kept tuning-forks in vibration by the power of electro-magnets, and blended the tones of several tuning-forks together to produce the complex quality of the human voice.

The History of the Telephone 1910