Sound: A Course of Eight Lectures Delivered at the Royal Institution of Great Britain

augmentation beats becomes bell body called cause centre close column continuous corresponding density determined direction disc distance divides division draw Edition effect elasticity employed equal example executed experiment fact fall feet figure fixed flame force fork four fundamental tone glass greater half hand hear heard heat Hence higher hold illustrated inches intensity interval lecture length light liquid lower means middle motion move musical sound nodes observed obtain octave orifice overtones pass pipe pitch plate pressure produced proportional proved pulse rapidity rate of vibration ratio reach reed reflected rendered resonance rest result separated shown sonorous wave square stopped stretched striking string succession surface syren temperature third tion tube tuning-fork turn vein velocity of sound ventral segments voice vols wave weight whole wire