Electro-Magnets: The Determination of the Elements of Their Construction
- 150 pages
- 6 hours of reading
Th Du Moncel Books
The Telephone, the Microphone and the Phonograph
- 280 pages
- 10 hours of reading
An engaging and informative exploration of three of the most important inventions of the late 19th century, including detailed technical descriptions, historical context, and accounts of the social and cultural impact of each invention. This translated edition is a must-read for historians, tech enthusiasts, and anyone interested in the history of communication technology.