# Books matching “Th. Du Moncel, comte”

## Books

- [The telephone, the microphone & the phonograph](https://invisiblenetwork.ai/books/gutenberg/75683) by Th. Du Moncel, comte (English)
- [Le Téléphone, le Microphone et le Phonographe](https://invisiblenetwork.ai/books/gutenberg/27574) by Th. Du Moncel, comte (French)