The first volume, on the mechanics of a vibrating medium which produces sound, was published in 1877, while the second volume on acoustic wave propagation was published the following year.
Ang unang lakas ng tunog, sa mechanics ng isang vibrating daluyan na kung saan produces sound, ay nai-publish sa 1877, habang ang pangalawang dami sa Acoustic kaway pagpapalaganap ay nai-publish ang mga sumusunod na taon.