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Updated: April 30, 2025
In 1840 Wheatstone had patented an alphabetical telegraph, or, 'Wheatstone A B C instrument, which moved with a step-by-step motion, and showed the letters of the message upon a dial. The same principle was utilised in his type-printing telegraph, patented in 1841. This was the first apparatus which printed a telegram in type.
We gave them half an hour to convey the end of the wire to shore and attach the type-printing instrument, and then I sent the first electrical message across the Channel. This was reserved for Louis Napoleon. According to Mr. F. C. Webb, however, the first of the signals were a mere jumble of letters, which were torn up.
Wheatstone had also invented a type-printing telegraph, which he patented in 1841. This required two circuits. With a working telegraph attained, the partners became involved in an altercation as to which deserved the honor of inventing the same. The quarrel was finally submitted to two famous scientists for arbitration. They reported that the telegraph was the result of their joint labors.
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