Try these guys
On 07/03/2015, Steven Smolian <[log in to unmask]> wrote:
> I have two records purporting to contain Marconi's voice.
> One is an "On the NBC record in which, after a too long intro, there is a
> brief message va shortwave of a gruff-voiced man.
> The other, about 3 miunutes plus intro, is on "General Voices from
> CS-051314, in which a person with an English accent, no trace of an Italian
> one, recites his accomplishments.
> I'm suspicious of the second item. Anyone have data on these?
> Steve Smolian