The descriptive story of the telegraphone
Subtitle: an electro-magnetic instrument which exactly duplicates the human voice, perfects the telephone, supersedes all talking machines, and immensely widens the field of telegraphy
Publisher: American Telegraphone Co.
Published: 1907
Place of publication: United States
Language: eng
Subjects: Telegraphone
Other titles: Telegraphone :; Poulsen's telegraphone
Notes: Title from cover when booklet is folded.

Entire booklet (24 x 20 cm) is folded to (24 x 10 cm).

Includes a financial prospectus of the American Telegraphone Co. (12 unnumbered pages ; x cm) inserted into center of booklet.