Description of the numerical telegraph : for communicating unexpected intelligence by figures, letters, words, and sentences, with directions for writing the correspondence either public or private, and shewing the manner of working the machine with perfct accuracy and despatch

"Description of the numerical telegraph : for communicating unexpected intelligence by figures, letters, words, and sentences, with directions for writing the correspondence either public or private, and shewing the manner of working the machine with perfct accuracy and despatch"@en
"Description of the numerical telegraph for communicating unexpected intelligence by figures, letters, words, and sentences, with directions for writing the correspondence either public or private, and shewing the manner of working the machine with perfct accuracy and despatch"@en