The telegraphe, or Machine for conveying intelligence with wonderful quickness, as used by the French [graphic].[approximately 1796]eng"Observatory with telegraph apparatus attached, above diagrams of the positions indicating letters of the alphabet."--British Museum online catalogueTitle from text engraved above image.Approximate date of publication from the British Museum online catalogue, registration no.: J,11.83.Sheet trimmed within plate mark.Engraved image with letterpress text beneath, including imprint statement and an "Explanation of the plate".An English broadside illustrating and explaining Claude Chappe’s early telegraph system."(Entered at Stationers Hall)"--Bottom of sheet in square brackets, below imprint.