The Telephone
An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action
by Dolbear, A. E. (Amos Emerson)
Language: en · 363 downloads on Project Gutenberg
TelephoneTK
In: Technology · Category: Science - Physics · Category: Engineering & Technology
Public-domain ebook sourced from Project Gutenberg #33154.