Title
Chappe's telegraph experiment
Caption
Chappe's telegraph experiment on July 12, 1793, from Ménilmontant to Saint-Martin du Tertre before the convention commissiners.
Credit line
Photo12
Reference
INV00003_CHAPPE
Model release
No
License type
Rights managed
Available size
6.6Mb (1.1Mb) / 4.4in x 5.9in / 1311 x 1772 (300dpi)