He was present at the September massacres and saved several prisoners, and on the 7th of September 1792 was elected one of the deputies from Paris to the convention, where he was one of the promoters of the proclamation of the republic. He suppressed the decoration of the Cross of St Louis, which he called a stain on a man's coat, and demanded the sale of the palace of Versailles.
It has been doubted whether Pericles favoured this enterprise, but among its chief promoters were two of his friends, Lampon the soothsayer and Hippodamus the architect.
This fell into the hands of the Northern Pacific railway, but was purchased by the promoters of the Canadian Northern railway.
The Liverpool & Manchester line achieved a success which surpassed the anticipations even of its promoters, and in consequence numerous projects were started for the construction of railways in various parts of Great Britain.
Its promoters recognized the unsuitability of ordinary steam locomotives for underground railways, and intended to work it by means of a moving cable; but before it was completed, electric traction had developed so far as to be available for use on such lines.