Sound : an elementary text-book for schools and colleges (1913)
Capstick, John Walton, 1858- · leaf 147
hods of ventilation, for the easewith which the air can escape through a hole or a set of holesis a matter that has often to be considered. It is, forinstance, sometimes useful to know that a long narrow openinghas greater conductivity than a circular or square opening ofthe same area. * This… … 167. Resonance Box of a Tuning-fork. Whenit is desired that a tuning-forkshould emit a loud sound it ismounted on a resonator consist-ing of a wooden box with oneend open, the dimensions beingso chosen that the air containedin the box has the same fre-quency as the fork. The forkalone has such a…
Sound
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