Ubicación virtual: Chappe Eng

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.

Tripod and turned wooden column. Brass tube and lenses at the ends.

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