As far as I can tell, this is the first English edition.
Out of a total of 860 pages, 186 are devoted to telegraphy and telephony.
I have copied the following sections of the book:
by Reis; Garnier and Pollard’s Singing Condenser; Janssens’s Telephone
by Ader, Breguet, Edison, Dunand, Dolbear, Pisko, Preece
by Berliner, Blake, Boudet, Crossley, Edison, Gower, Heller, Righi;
Ader’s Electrophone; Locht-Labye’s Pantelephone; Wreden’s Phonophore
And some illustrations:
Fein’s Telephone: Ader’s Telephone: D’Arsonval’s Telephone:
Gray’s Telephone: Phelps’s Crown Telephone: Phelps’s Ponny Telephone:
Bottcher’s Telephone: Bottcher’s Telephone Station: Ader’s Telephone Station:
Boudet’s Miophone (Muscle activity)
Boudet’s Sphygmophone (Pulse)
A Medical Microphone (Vein examination)
The Sender of a Photophone:
Back to Mike Penney’s "The Sound of a Voice"