The telephone, the microphone & the phonograph, by Théodore Du Moncel     75683
  [Author: Théodore Du Moncel]
  [Link: https://www.gutenberg.org/ebooks/75683]

Thanks to deaurider and the Online Distributed Proofreading Team at
https://www.pgdp.net (This file was produced from images generously made
available by The Internet Archive)

Regards,
Jacqueline