The word “telegraph,” which is derived from the Greek _tele_, far off, and _grapho_, I write, strictly signifies writing at a distance. The needle instrument and the sounder do not write in any way, but by modifying the construction of the sounder it can be made to record the messages it receives. A small wheel is fitted to the free end of the lever of the sounder, and an ink-well is placed so that the wheel dips into it when the lever is in the normal position. When the circuit is closed the lever moves just as in the ordinary sounder, but instead of clicking against a stop it presses the inked wheel against a paper ribbon which is kept slowly moving forward by clockwork. In this way the wheel continues to mark a line along the paper as long as the circuit remains closed, and according to the time the transmitting key is kept down a short mark or dot, or a long mark or dash, is produced. The clockwork which moves the paper ribbon is started automatically by the current, and it continues working until the message is finished. [Illustration: FIG. 29.--A Morse Message. (_a_) Perforated Tape. (_b_) Printed Tape. TRANSLATION. _Series of alternate dots and dashes indicating commencement of message._ Sec (_section_) A. D. T. (_Daily Telegraph_) Fm (_from_) Berri, Antivari. _Then follow the letters_ G. Q., _signifying fresh line_. They hd (_had_) bn (_been_) seen advancing in t (_the_) distance and wr (_were_) recognised by thr (_their_) usual uniform wh (_which_) consists o (_of_) a white fez. _Finally double dots indicating full stop._]