Ubicación virtual: Chappe Eng

Wood and brass telescope mounted on a turned base and tripod.

Autograph letter composed by Pierre Francois Chappe, administrator of telegraph lines, addressed to the Administrator of the Cretet State. Paris, 14 Fructidor an IX [September 1, 1801]. The letter features a large and beautiful engraved header. The letter concerns a claim for a Raincy property owner regarding the payment of fees for the establishment of…

Metallic body with glass and elements to be held by hand.

Apparatus for measuring the duration of a telephone call. Usually used in long distance calls where the green lever was to start the count and the red one to stop it.

Column and metal head with signal lever and faceplate with positions to communicate the control bridge with the engine room.

Apparatus for measuring the duration of a telephone call. Usually used in long distance calls where the green lever was to start the count and the red one to stop it.