Note 1 — PART I
Reading edition
For particulars regarding preelectrical telegraphy and previous researches in electrotelegraphy, the reader is referred to A History of Telegraphy to the year 1837, by J. J. Fahie, M.I.E.E. (E. and F. N. Spon, 1884).
Reading edition
For particulars regarding preelectrical telegraphy and previous researches in electrotelegraphy, the reader is referred to A History of Telegraphy to the year 1837, by J. J. Fahie, M.I.E.E. (E. and F. N. Spon, 1884).