Manual of telegraphy and description of instruments
Subtitle: adapted for use on private telegraph lines
Publisher: J.H. Bunnell & Co.
Published: 1888
Place of publication: New York
Language: eng
Number of pages: 48
Subjects: Telegraph; Amateurs' manuals; Equipment and supplies; Télégraphe; Appareils et matériel
Other titles: Students' manual for the practical instruction of learners of telegraphy
Notes: Advertising matter: p. 36-48.