67 2498 Telegraphy Chappe A and R
67/2498 [Telegraphy]. (Chappe, A. and R.). Mémoire sur la Télégraphie. Paris, Béthune, 1829, (2),24p., 4 fold. handcol. schematic lithogr. plates, orig. wr., 4to.

- Text lvs. heavily browned and sl. frayed.

= Outline for a telegraphic network stretching as far as Brest, Calais, Strasbourg and Toulon. Signed by the 'administrateurs des lignes télégraphiques', i.a. Abraham and Réné Chappe, younger brothers of Claude Chappe, inventor of the earliest telecommunication system. Very rare.

€ (300-500) 425