[78-L] Edison--was: Am I Seeing Things???

Steven C. Barr stevenc at interlinks.net
Sun Jan 2 15:42:41 PST 2011


From: "Don Chichester" <dnjchi78 at live.com>
> IIRC, Edison was working with a strip of paper onto which telegraph 
> impulses were burned, and could be re-played for transmission.  It was the 
> idea of 'storage of sound impulses' that started Edison's experiment with 
> tin foil.  The writer suggests that he started with paper, and worked on 
> the concept for a year.  All info I have is that he tried tinfoil in 
> August of 1877.  It worked the first time!  It was demonstrated for 
> Scientific America in December 1877.  No year of research.
>
As I recall, when he played back his stored code transmissions, the result 
was a sound which suggested
the human voice; this in turn inspired him to experiment with vocal sound 
recordings...!

Steven C. Barr 



More information about the 78-L mailing list