Jasper County Democrat, Volume 2, Number 21, Rensselaer, Jasper County, 2 September 1899 — A New Telephone. [ARTICLE]
A New Telephone.
M. Dusand, of Genera, has sent the Paris Academy-of Sciences a description of a new telephone with which he has successfully experimented. From a distant laboratory he was able to send message? that could be distinctly heard in a« large room by an audience of 1,000 people.
