Dated 1858-1867. From Scientific apparatus, musical instruments and telegraph equipment, [1834-1875].
Automatic telegraph transmitter developed by Wheatstone and based on the Jacquard Loom punched card system using continuous tape, a ‘Jacquard telegraph’ [see K/PP1071/2/109]. Comprising of a spring driven clockwork mechanism worked by a handle, tiny ‘fingers’ probe the tape opening and closing contacts according to the pattern of holes. Housed in a mahogany case resting on a wooden base with three brass knobs marked ‘EARTH, LINE AND BAT[TERY]’, original perforated paper tape attached and ‘For Morse’ written in pencil on underside.