Le mécanisme de la parole, suivi de la description d'une machine parlante et enrichie de XXVII planches.
Vienne, Bauer & se trouve chez J. V. Degen, 1791. *** First edition. "Mechanism of Human Speech with the Description of a Speaking Machine". Illustrated by a portrait and 26 plates. This book has been published in French and in German at the same time. The French version seems the..... More