Summary

Alfred Large Encyclopædia Britannica, Ninth Edition (1878)

Thus the visible marks of attention the deaf and dumb receive from others, their caresses, frowns, and smiles, all make a corresponding impression on their tender minds, and as they grow older they watch the looks and gestures of those near them with a keenness unknown to other children, so that the slightest change of expression does not escape their observation.
Source: Wikisource

Alfred Large Encyclopædia Britannica, Ninth Edition (1878)

DEAF AND DUMB. It is a not uncommon supposition that deaf mutes are dumb on account of some vocal or organic defect, whereas the dumbness arises, with very rare exceptions, from the deprivation of hearing caused by some natural or accidental disease. Where partial or total dumbness exists with the sense of hearing perfect, it will be generally found to proceed either from great nervous debility or from some mental derangement, and not, as is often supposed, from some defect in the vocal organs, which in the congenitally deaf, with hardly an exception, are in their normal condition.
Source: Wikisource

Alfred Large Encyclopædia Britannica, Ninth Edition (1878)

It would be impracticable to maintain the same system of signs throughout, even should such be desirable, but it is of the utmost importance that those in use in each school should be so cultivated as to prevent any confusion of ideas by the improper use of them. It is by their aid chiefly that all instruction is carried on, and, as used by missionaries for the deaf and dumb, they are remarkably serviceable, there being always to be found, in an assembly of deaf mutes, many whose minds cannot be reached by any other means.
Source: Wikisource

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