Scientific Texts

Helmont, F. M. 1667. Alphabeti vere Naturalis Hebraici Brevissima Delineatio: Quae simul Methodum suppeditat, iuxta quam qui surdi nati sunt sic informari possunt, ut non alios saltem loquentes intelligant, sed & ipsi ad sermonis usum perveniant. Sulzbach: Lichtenthaler.

Kempelen, W. 1791. Wolfgang von Kempelen k. k. wirklichen Hofraths Mechanismus der menschlichen Sprache nebst Beschreibung seiner sprechenden Maschine. Wien: Degen.

Kratzenstein, Chr. G. 1781. Tentamen resolvendi problema ab academia scientiarum imperiali petropolitana an annum 1780 publice propositum

 

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