Wanted: Constancon No.1 Braillewriter
The Constançon Braillewriter, a braille writing machine for the blind, was patent in 1908 by Charles Maurice Constançon. It was produced by a company owned by Auguste Aubert, Fabrique d'Instruments de Précision S.A. of Luasanne, Switzerland. The Constançon seen here is the No.1 model which is the larger and less portable version. I'm interested in both it and the No.2 model.
(Machine à écrire le Braille, Constançon, blindenschreibmachine)
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