A. E. (Amos Emerson) Dolbear
The Telephone An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action
A. E. (Amos Emerson) Dolbear · 2010
Public domain, Project Gutenberg. No sign-up.
Telephone
A. E. (Amos Emerson) Dolbear · 2010
Public domain, Project Gutenberg. No sign-up.