There are, then, an indefinitely large number of articulated sounds available for the mechanics of speech; any given language makes use of an explicit, rigidly economical selection of these rich resources; and each of the many possible sounds of speech is conditioned by a number of independent muscular adjustments that work together simultaneously towards its production. A full account of the activity of each of the organs of speech—in so far as its activity has a bearing on language—is impossible here, nor can we concern ourselves in a systematic way with the classification of sounds on the basis of their mechanics
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