A letter to Henry Cline, on imperfect developments of the faculties, mental and moral, as well as constitutional and organic, and on the treatment of impediments of speech.
- John Thelwall
- Date:
- 1810
Licence: Public Domain Mark
Credit: A letter to Henry Cline, on imperfect developments of the faculties, mental and moral, as well as constitutional and organic, and on the treatment of impediments of speech. Source: Wellcome Collection.
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![of my inquiry, I have a very powerful ally in’ Mr. John Gough, of Kendal ; whose scientific theory, as ceveloped in several successive papers in the Manchester Memoirs, and in his correspondence with myself upon the subject” [See the earlier pages of the present publication.] < falls in so exactly with the views, which, without con-— cert or knowledge of his speculations, I had previously formed, that I instantly incorpo- rated it with my system. Emboldened by the cor= roboration of his experiments, which have been further confirmed by my own reiterated repetitions, and of which sensible demonstrations are usually exhibited as I proceed, I endeavour not only to ex- plain the phenomena of the variety of human voices, but to point out the means by which strength, tone and modulation of voice: may be essentially improved, “ Here still my subject continues to be closely connected with Physical and Medical Science; a minute comparison of the elocutionary and the vital functions of the lungs; the requisite recep- tion and decomposition of atmospheric air, in the cells of that organ; the small portion of such air necessary for the purposes af sonorous impulse;](https://iiif.wellcomecollection.org/image/b33089449_0200.jp2/full/800%2C/0/default.jpg)


